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