Perhaps you should try some spelling variations:
"trinh vat code snippets" » "trinh van code snippets", "trinh luat code snippets", "sinh vat code snippets", "trinh rate code snippets", "trinh vat co snippets", "trinh vat de snippets", "trinh vat code slippers"
"dung khoa data snippets" » "dung cho data snippets", "dung khoa dang snippets", "dung hoa dat snippets", "dung khoa data slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 vat code snippets") or ("dung khoa data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh vat code snippets") OR ("dung khoa data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh vat code snippets ) or ( dung khoa data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh vat code snippets") or ("dung khoa data snippets"))) or ("locating bug code snippets"))*.