Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dan trinh duoc slippers" » "dan trinh doc slippers", "dan trinh duc slippers", "dan trinh quoc slippers", "dan tinh duoc slippers", "van trinh duoc slippers", "hanh trinh duoc slippers", "dan trinh duoc slippery", "dan trinh duoc grippers"
"dung java java snippets" » "dung va java 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: (((("dan trinh duoc slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan trinh duoc slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dan trinh duoc slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan trinh duoc slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.