If you want more customized search results on google then it's always good to use filters while going for a particular research. For that you can try given below search terms.
Use of quoted searches: If you are looking for specific results of particular term then apply "" in your search while typing in google search box for example. "This is Sample Search Query" and hit enter. You will get exact results of pages which contain the keyword.
Use of +sign: This trick is interesting. If you are looking for a product with specifications then you can use it. For example red shoes +Delhi. This search will give you results which has red shoes as keywords and +delhi will add value in filter results. Delhi will be included along with searched keyword.
- Within side search: If you want to search inside a website without visiting then you can use inurl: tag it will help you to explore website without opening it. For example if I want to search for a person on facebook but I don't want to open facebook then I can type Prashant Ojha inurl:facebook.com this search will give me results of all the facebook accounts with the name of Prashant Ojha.
Hope this will help you to filter your search results.