Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"locating bug core snippets" » "locating bug code snippets"
"cuong linh code snippets" » "cong linh code snippets", "huong linh code snippets", "duong linh code snippets", "cuong link code snippets", "cuong dinh code snippets", "cuong minh code 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 linh code 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 linh code snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cuong linh code snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuong linh code snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.