Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"khang using java snippets" » "khang sinh java snippets", "khang using data snippets", "khang using java slippers"
"cong so code snippets" » "cong san code snippets", "cong hoa code snippets", "cong so code slippers"

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: (((("khang using java snippets") or ("cong so code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang using java snippets") OR ("cong so code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( khang using java snippets ) or ( cong so code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khang using java snippets") or ("cong so code snippets"))) or ("locating bugs code snippets"))*.