Perhaps you should try some spelling variations:
"thuy than java slippers" » "thuy trang java slippers", "thuat than java slippers", "thuc thanh java slippers", "thuy think java slippers", "thuy than va slippers", "thuy than java slippery", "thuy than 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: (((("thuy than 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: (((("thuy than java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy than java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy than java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.