Perhaps you should try some spelling variations:
"dong thuan cuc snippets" » "don thuan cuc snippets", "dong chuan cuc snippets", "dong thuong cuc snippets", "dong thuan thuc snippets", "dong thuan cam snippets", "dong thuoc cuc 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: (((("dong thuan cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong thuan cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong thuan cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong thuan cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.