Perhaps you should try some spelling variations:
"cuong dan thi snippets" » "cuong danh thi snippets", "huong dan thi snippets", "cong dan thi snippets", "cuong dang thi snippets", "cuong tran thi snippets", "cuong dinh thi snippets", "cuong dan thi slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cuong dan thi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong dan thi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuong dan thi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong dan thi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.