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