Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"chinh su trinh slippers" » "hinh su trinh slippers", "chinh phu trinh slippers", "chinh ta trinh slippers", "chinh su tinh slippers", "chinh qua trinh slippers", "chinh quy trinh slippers", "chinh su trinh slippery", "chinh su 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: (((("chinh su 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: (((("chinh su trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chinh su trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chinh su trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.