Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha du doc snippets" » "pham duc doc snippets", "pham duy doc snippets", "phan duc doc snippets", "pha duy doc snippets", "pha du hoc snippets", "pha nu doc 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: (((("pha du doc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( pha du doc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("pha du doc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.