Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong danh toc snippets" » "cuong danh code snippets", "cuon danh toc snippets", "huong dan toc snippets", "cuong linh toc snippets", "cuong dan toc snippets", "cuong danh hoc snippets", "cuong danh thuc snippets"
"dung java java snippets" » "dung va java 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 danh toc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuong danh toc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuong danh toc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong danh toc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.