Perhaps you should try some spelling variations:
"huong tiep cua snippets" » "phuong tien cua snippets", "duong tien cua snippets", "huong nghiep cua snippets", "huong tiep can snippets", "huong dieu cua snippets", "huong tap cua 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: (((("huong tiep cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huong tiep cua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong tiep cua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong tiep cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.