Perhaps you should try some spelling variations:
"nganh kiem data snippets" » "nganh kinh data snippets", "anh kiem data snippets", "khanh kiem data snippets", "nganh kiem sat snippets", "nganh lieu data snippets", "nganh kiem data 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: (((("nganh kiem data snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nganh kiem data snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nganh kiem data snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nganh kiem data snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.