Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong doi anh slippers" » "vong doi anh slippers", "cong dot anh slippers", "cong goi anh slippers", "cong doi hanh slippers", "cong doi canh slippers", "cong doi sanh slippers", "cong doi anh slippery", "cong doi anh 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 ("cong doi anh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong doi anh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong doi anh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong doi anh slippers"))) or ("locating bug code snippets"))*.