Perhaps you should try some spelling variations:
"thanh hai data slippers" » "thanh phan data slippers", "thanh hoa data slippers", "thanh san data slippers", "thanh cai dat slippers", "thanh a data slippers", "thanh hoi dat slippers", "thanh hai data slippery", "thanh hai 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: (((("thanh hai 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: (((("thanh hai data slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh hai data slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh hai data slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.