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