Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"phu ngu java slippers" » "phu ngu va slippers", "phu nu java slippers", "pho ngu java slippers", "phau nguc java slippers", "phu ngu java slippery", "phu ngu 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: (((("phu ngu 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: (((("phu ngu java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu ngu java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu ngu java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.