Perhaps you should try some spelling variations:
"hanh java java snippets" » "hanh va java snippets", "hanh java java slippers"
"hung tran quan snippets" » "huong tran quan snippets", "quang tran quan snippets", "hung thang quan snippets", "hung tran quang snippets", "hung tran xuan snippets", "hung tran tuan snippets", "hung tran quan 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 ("hung tran quan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("hung tran quan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( hung tran quan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("hung tran quan snippets"))) or ("locating bug code snippets"))*.