Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"tran hai data slippers" » "tran bai data slippers", "tran chau data slippers", "tran nhat data slippers", "tran cai dat slippers", "tran a data slippers", "tran hoi dat slippers", "tran hai data slippery", "tran hai data grippers"

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: (((("tran hai data slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hai data slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tran hai data slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran hai data slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.