Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung dat trong slippers" » "dung dot trong slippers", "dung vat trong slippers", "dung cay trong slippers", "dung va trong slippers", "dung tai trong slippers", "dung dat trong slippery", "dung dat trong 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: (((("dang java java snippets") or ("dung dat trong slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java snippets") OR ("dung dat trong slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung dat trong slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung dat trong slippers"))) or ("locating bug code snippets"))*.