Perhaps you should try some spelling variations:
"duoi dan trinh snippets" » "duoi dan tinh snippets", "duoi van trinh snippets", "duoi hanh trinh snippets", "cuoi dan trinh snippets", "doi dan trinh snippets", "duoc dan trinh snippets", "duoi dan trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("duoi dan trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoi dan trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi dan trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi dan trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.