Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"cong tan code snippets" » "cong tac code snippets", "cong san code snippets", "cong thanh code snippets", "cong tan cong snippets", "cong tan code slippers"
"anh va java snippets" » "anh java java snippets", "hanh va java snippets", "anh va java 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: (((("anh va java snippets") or ("cong tan code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh va java snippets") OR ("cong tan code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( anh va java snippets ) or ( cong tan code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh va java snippets") or ("cong tan code snippets"))) or ("locating bugs code snippets"))*.