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