Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"trinh chu dan snippets" » "trinh cau dan snippets", "trinh cho dan snippets", "trinh thuc dan snippets", "trinh chua dan snippets", "trinh chu han snippets", "trinh chu van snippets", "trinh chu 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 chu 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 chu dan snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh chu dan snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh chu dan snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.