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