Perhaps you should try some spelling variations:
"cuong thu cuc snippets" » "duong thu cuc snippets", "cuong tu cuc snippets", "huong thu cuc snippets", "cuong thi cuc snippets", "cuong thu tuc snippets", "cuong thu cua 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 thu cuc 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 thu cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong thu cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong thu cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.