Perhaps you should try some spelling variations:
"trinh toan tri snippets" » "tinh toan tri snippets", "thanh toan tri snippets", "trinh han tri snippets", "trinh toan tai snippets", "trinh tran tri snippets", "trinh toan toi snippets", "trinh toan tri 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh toan tri 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 toan tri snippets") OR ("dung cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh toan tri snippets ) or ( dung cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh toan tri snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))*.