Perhaps you should try some spelling variations:
"tap toan tran snippets" » "tap thoan tran snippets", "tap tan tran snippets", "tap hoan tran snippets", "tap doan tran snippets", "tap quan tran snippets", "bai toan tran snippets", "tap toan tran slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("tap toan tran snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tap toan tran snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap toan tran snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap toan tran snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.