Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van tu doc snippets" » "van thu doc snippets", "van du doc snippets", "ban tu doc snippets", "van tu duoc snippets", "van tu hoc snippets", "van tu do 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: (((("van tu doc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van tu doc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van tu doc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.