Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"than can cau snippets" » "than cap cau snippets", "than man cau snippets", "toan can cau snippets", "than van cau snippets", "than ban cau snippets", "than ca 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 can 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 can cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than can cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than can cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.