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