Perhaps you should try some spelling variations:
"cua hanh trinh slippers" » "cua canh tranh slippers", "cua hanh chinh slippers", "cua thanh trinh slippers", "cua hang trinh slippers", "cua manh trinh slippers", "cua hanh trinh slippery", "cua hanh trinh grippers"
"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: (((("dung java java snippets") or ("cua hanh trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cua hanh trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cua hanh trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cua hanh trinh slippers"))) or ("locating bug code snippets"))*.