Perhaps you should try some spelling variations:
"luan anh trinh snippets" » "luan hanh trinh snippets", "luan anh tinh snippets", "luan thanh trinh snippets", "luan danh trinh snippets", "tuan anh trinh snippets", "lan anh trinh snippets", "luan anh trinh slippers"
"dung cho code snippets" » "dung cho cong snippets", "dung cfd code snippets", "dung cho con snippets", "dung cho 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: (((("luan anh trinh snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan anh trinh snippets") OR ("dung cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan anh trinh snippets ) or ( dung cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan anh trinh snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))*.