Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh viet some snippets" » "ninh viet some snippets", "trinh vat some snippets", "trinh viet song snippets"
"dung mat code snippets" » "duong mat code snippets", "dung dat code snippets", "dung may code snippets", "dung rate code snippets", "dung mat co 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: (((("trinh viet some snippets") or ("dung mat code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh viet some snippets") OR ("dung mat code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh viet some snippets ) or ( dung mat code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh viet some snippets") or ("dung mat code snippets"))) or ("locating bugs code snippets"))*.