Perhaps you should try some spelling variations:
"trinh tran thong snippets" » "trinh trang thong snippets", "trinh toan thong snippets", "trinh tren thong snippets", "trinh tran trong snippets", "trinh tran hong snippets", "trinh tran thong slippers"
"dung tai code snippets" » "dung tai cong snippets", "dung tai co snippets", "dung tai hoe snippets", "dung tai code 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 tran thong snippets") or ("dung tai code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh tran thong snippets") OR ("dung tai code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tran thong snippets ) or ( dung tai code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tran thong snippets") or ("dung tai code snippets"))) or ("locating bug code snippets"))*.