Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"doi do sanh snippets" » "doi bo sanh snippets", "doi co sanh snippets", "doi de sanh snippets", "doi do anh snippets", "doi do sach snippets", "doi do sinh snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi do sanh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi do sanh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi do sanh snippets"))) or ("locating bug core snippets"))*.