Perhaps you should try some spelling variations:
"dang java java snippets" » "dang va java snippets"
"dung dat kem slippers" » "dung va kem slippers", "dung tai kem slippers", "dung bat kiem slippers", "dung dat hiem slippers", "dung sat kiem slippers", "dung dat kem slippery", "dung dat kem 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 kem 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 kem slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java snippets ) or ( dung dat kem slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java snippets") or ("dung dat kem slippers"))) or ("locating bug code snippets"))*.