Perhaps you should try some spelling variations:
"trinh suat trong snippets" » "trinh luat trong snippets", "trinh sat trong snippets", "trinh quan trong snippets", "trinh suat thong snippets", "trinh thuat trong snippets", "trinh suat trong 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: (((("trinh suat trong snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh suat trong snippets") OR ("dung cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh suat trong snippets ) or ( dung cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh suat trong snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))*.