Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"dung dan xac slippers" » "dung dat xac slippers", "dung san xac slippers", "tung dan xac slippers", "dung dan bac slippers", "dung dan cac slippers", "dung dan xa slippers", "dung dan xac slippery", "dung dan xac grippers"
"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: (((("dung dan xac slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan xac slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan xac slippers ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan xac slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.