Perhaps you should try some spelling variations:
"nhanh quang cac snippets" » "nhanh quang cao snippets", "nhanh quanh cac snippets", "nhanh quang chan snippets", "thanh quang cac snippets", "nganh quang cac snippets", "nhan quang cac snippets"
"dung java java snippets" » "dung va java snippets"
"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: (((("nhanh quang cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh quang cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh quang cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh quang cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.