Perhaps you should try some spelling variations:
"tranh cai data slippers" » "tranh cac data slippers", "trinh cai data slippers", "tranh chap data slippers", "tranh cai dat slippers", "tranh a data slippers", "tranh aid data slippers", "tranh cai data slippery", "tranh 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: (((("tranh 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: (((("tranh cai data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tranh cai data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tranh cai data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.