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