Perhaps you should try some spelling variations:
"cong hoan tran slippers" » "cong hoa tran slippers", "dong hoa tran slippers", "cong san tran slippers", "cong hoang tran slippers", "cong thoan tran slippers", "cong toan tran slippers", "cong hoan tran slippery", "cong hoan tran grippers"
"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: (((("cong hoan tran slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hoan tran slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hoan tran slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoan tran slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.