Perhaps you should try some spelling variations:
"hanh java java snippets" » "hanh va java snippets", "hanh java java slippers"
"dung su dai snippets" » "dung cu dai snippets", "dung du dai snippets", "dung so dai snippets", "dung sau dai snippets", "dung si dai snippets", "dung su tai snippets", "dung su dai slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("hanh java java snippets") or ("dung su dai snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("dung su dai snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( dung su dai snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("dung su dai snippets"))) or ("locating bug code snippets"))*.