Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tang ban phi slippers" » "tang bang phi slippers", "tiang ban phi slippers", "tang van phi slippers", "tang ban thi slippers", "tang ban chi slippers", "tang ban khi slippers", "tang ban phi slippery", "tang ban phi 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 java java snippets") or ("tang ban phi slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tang ban phi slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tang ban phi slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tang ban phi slippers"))) or ("locating bug code snippets"))*.