Perhaps you should try some spelling variations:
"nuoc chay cac snippets" » "nuoc chau cac snippets", "cuoc chay cac snippets", "nuoc thai cac snippets", "nuoc chay cao snippets", "nuoc hay cac snippets", "nuoc cho cac 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: (((("nuoc chay cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nuoc chay cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc chay cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc chay cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.