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