Perhaps you should try some spelling variations:
"tranh duoc dat snippets" » "tranh cuoc dat snippets", "trinh duoc dat snippets", "tran duc dat snippets", "tranh duoc bat snippets", "tranh duoc dai snippets", "tranh duoc dan snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"
"locating bug code snippets" » "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: (((("tranh duoc dat snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tranh duoc dat snippets") OR ("dung java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh duoc dat snippets ) or ( dung java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh duoc dat snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))*.