Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"pham voi trinh snippets" » "pham doi trinh snippets", "pham hoi tinh snippets", "pham co trinh snippets", "pham vi trinh snippets", "cham voi trinh snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("pham voi trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham voi trinh snippets") OR ("dung java java slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( pham voi trinh snippets ) or ( dung java java slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham voi trinh snippets") or ("dung java java slippers"))) or ("locating bugs code snippets"))*.