Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan duc hanh slippers" » "dan duc thanh slippers", "dan duc anh slippers", "dan du hanh slippers", "dang duc hanh slippers", "dao duc hanh slippers", "van duc hanh slippers", "dan duc hanh slippery", "dan duc hanh grippers"
"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: (((("dung java java snippets") or ("dan duc hanh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dan duc hanh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan duc hanh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan duc hanh slippers"))) or ("locating bug code snippets"))*.