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