Perhaps you should try some spelling variations:
"cong vuong chi snippets" » "cong luong chi snippets", "cong huong chi snippets", "hong vuong chi snippets", "cong vuong thi snippets", "cong vuong phi snippets", "cong thuong chi snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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