Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuong thu can snippets" » "cuong thu code snippets", "duong thu can snippets", "cuong tu can snippets", "huong thu can snippets", "cuong thu canh snippets", "cuong thuc can snippets", "cuong thu ban 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 thu can 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 thu can snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuong thu can snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong thu can snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.