Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets", "data using java slippers"
"cong danh thi snippets" » "cuong danh thi snippets", "cong dan thi snippets", "cong thanh thi snippets", "cong danh thin snippets", "cong dinh thi snippets", "cong dang thi snippets", "cong danh thi 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: (((("data using java snippets") or ("cong danh thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("cong danh thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( cong danh thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("cong danh thi snippets"))) or ("locating bug code snippets"))*.