Perhaps you should try some spelling variations:
"nuoc nhung cac snippets" » "quoc hung cac snippets", "hoc nhung cac snippets", "nuoc vung cac snippets", "nuoc nhung cau snippets", "nuoc nhung bac snippets", "nuoc nhung ca 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 nhung 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 nhung cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc nhung cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc nhung cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.