Perhaps you should try some spelling variations:
"dang phuc chau snippets" » "dang phuoc chau snippets", "nang phuc chau snippets", "dang thuc chau snippets", "dang phuc cham snippets", "dang huu chau snippets", "dang phuc cam 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 phuc chau 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 phuc chau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang phuc chau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang phuc chau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.