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