Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang canh tranh slippers" » "dang hanh tranh slippers", "dan canh tranh slippers", "dang manh tranh slippers", "dang canh trinh slippers", "dang canh thanh slippers", "dang canh tran slippers", "dang canh tranh slippery", "dang canh tranh 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 ("dang canh tranh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dang canh tranh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang canh tranh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang canh tranh slippers"))) or ("locating bug code snippets"))*.