Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tan trinh duc snippets" » "tan thinh duc snippets", "tao trinh duc snippets", "dan trinh duc snippets", "tan tinh duc snippets", "tan trinh doc snippets", "tan trinh dung snippets"
"locating bug core snippets" » "locating bug code snippets"

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

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