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 du cau snippets" » "van duy cau snippets", "van dau cau snippets", "van de cau snippets", "van cu cau snippets", "van da cau snippets", "van di cau 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 du cau snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van du cau snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van du cau snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.