Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"ly dung trinh snippets" » "ly dung tinh snippets", "ly dong trinh snippets", "ly cong trinh snippets", "xay dung trinh snippets", "ly khung trinh 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 ("ly dung trinh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("ly dung trinh snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( ly dung trinh snippets ))) or ( locating bug core snippets ))*.