Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong dan het slippers" » "cong san het slippers", "cong tan het slippers", "huong dan het slippers", "cong danh het slippers", "cong dan he slippers", "cong dan thiet slippers", "cong dan het slippery", "cong dan het 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: (((("cong dan het slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong dan het slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong dan het slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dan het slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.