Perhaps you should try some spelling variations:
"cuong qua cham snippets" » "cuong quan cham snippets", "duong qua cham snippets", "cuong cua cham snippets", "cuong qua hai snippets", "cuong qua cac snippets", "cuong va cham 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: (((("cuong qua 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: (((("cuong qua cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong qua cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong qua cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.