Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"van do cua snippets" » "van dao cua snippets", "van de cua snippets", "van du cua snippets", "van doi cua snippets", "van co cua 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 do cua snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van do cua snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van do cua snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.