Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"tran minh tran snippets" » "tran dinh tran snippets", "van minh tran snippets", "xuan minh tran snippets", "tran minh trang snippets", "tran minh tuan snippets", "tran minh toan snippets", "tran minh tran 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: (((("tran minh tran snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran minh tran snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran minh tran snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran minh tran snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.