Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"quan vi dao snippets" » "quan li dao snippets", "quan tri dao snippets", "quan doi dao snippets", "quan va dao snippets", "quan vi dai snippets", "quan ve dao 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: (((("quan vi dao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( quan vi dao snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("quan vi dao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.