Perhaps you should try some spelling variations:
"dang tranh cuoc snippets" » "dang thanh cuoc snippets", "dang tran cuoc snippets", "dong tranh cuoc snippets", "dang tranh duoc snippets", "dang tran quoc snippets", "dang trong cuoc snippets"
"dung java java snippets" » "dung va java snippets"
"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: (((("dang tranh cuoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tranh cuoc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tranh cuoc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tranh cuoc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.