Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"dung java java snippets" » "dung va java snippets"
"tinh su trinh snippets" » "tinh su tinh snippets", "tinh qua trinh snippets", "tinh quy trinh snippets", "trinh su trinh snippets", "hinh su trinh snippets", "tinh tu trinh 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: (((("tinh su trinh snippets") or ("dung java java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tinh su trinh snippets") OR ("dung java java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( tinh su trinh snippets ) or ( dung java java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh su trinh snippets") or ("dung java java snippets"))) or ("locating bugs code slippers"))*.