Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"dung con than snippets" » "dung cong than snippets", "dung von than snippets", "dung co than snippets", "dung cong thanh snippets", "dung cong thang snippets", "dung son thanh snippets", "dung con than 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: (((("dung con than snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung con than snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung con than snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung con than snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.