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