Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tan lap trinh slippers" » "toan lap trinh slippers", "dan lap trinh slippers", "tai lap trinh slippers", "tan lap trinh slippery", "tan lap 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: (((("tan lap 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: (((("tan lap trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan lap trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan lap trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.