Perhaps you should try some spelling variations:
"trinh cai data slippers" » "trinh tai data slippers", "trinh cau data slippers", "trinh cac data slippers", "trinh cai dat slippers", "trinh a data slippers", "trinh aid data slippers", "trinh cai data slippery", "trinh cai data 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: (((("trinh cai data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cai data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cai data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cai data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.