Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh su hanh slippers" » "trinh tu hanh slippers", "trinh san hanh slippers", "trinh cau hanh slippers", "trinh su thanh slippers", "trinh du hanh slippers", "trinh lu hanh slippers", "trinh su hanh slippery", "trinh su 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 ("trinh su 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 ("trinh su hanh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh su hanh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh su hanh slippers"))) or ("locating bug code snippets"))*.