Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong khi cham snippets" » "cong thai cham snippets", "khong khi cham snippets", "co khi cham snippets", "cong thi cham snippets", "cong khi tham snippets", "cong chin cham 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 khi cham 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 khi cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong khi cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong khi cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.