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