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