Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"trinh hat dan snippets" » "trinh chat dan snippets", "trinh phat dan snippets", "trinh nhat dan snippets", "trinh hat van snippets", "trinh mat dan snippets", "trinh nhat danh snippets", "trinh hat dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh hat dan snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh hat dan snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh hat dan snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh hat dan snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.