Perhaps you should try some spelling variations:
"dusing java java snippets" » "using java java snippets"
"hoa van java slippers" » "hoa dan java slippers", "hoang van java slippers", "hoa phan java slippers", "hoa van java slippery", "hoa van java grippers"
"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: (((("hoa van java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa van java slippers") OR ("dusing java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa van java slippers ) or ( dusing java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa van java slippers") or ("dusing java java snippets"))) or ("locating bug code snippets"))*.