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