Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"than man cau snippets" » "than ma cau snippets", "thanh san cau snippets", "tran manh cau snippets", "than mau cau snippets", "than van cau snippets", "than ban 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: (((("than man cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than man cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than man cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than man cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.