Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"thi minh cad snippets" » "chi minh cad snippets", "thi hanh cad snippets", "thi bich cad snippets", "thi minh can snippets", "thi minh cac snippets", "thi minh cau 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: (((("thi minh cad snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi minh cad snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi minh cad snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi minh cad snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.