Perhaps you should try some spelling variations:
"nhan luan tinh snippets" » "nhan luc tinh snippets", "nhan dan tinh snippets", "phap luan tinh snippets", "nhan quan tinh snippets", "nhan luan kinh snippets", "nhan luan sinh snippets", "nhan luan tinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("nhan luan tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan luan tinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan luan tinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan luan tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.