Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"dung moi va snippets" » "dung mo va snippets", "dung doi va snippets", "dung mot va snippets", "dung hoi va snippets", "dung mai va snippets", "dung moi ve snippets", "dung moi 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: (((("dung moi 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: (((("dung moi va snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung moi va snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung moi va snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.