Perhaps you should try some spelling variations:
"hanh cad trong slippers" » "hanh cay trong slippers", "hanh ca trong slippers", "hanh chat trong slippers", "hanh cac trong slippers", "hanh cat trong slippers", "hanh cap trong slippers", "hanh cad trong slippery", "hanh cad trong 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: (((("hanh cad trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cad trong slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cad trong slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cad trong slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.