Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trinh cau xin snippets" » "trinh chat xin snippets", "trinh chao xin snippets", "trinh tu xin snippets", "trinh cau kien snippets", "trinh cau vinh snippets", "trinh cau hien 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 ("trinh cau xin snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh cau xin snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh cau xin snippets ))) or ( locating bug core snippets ))*.