Perhaps you should try some spelling variations:
"cong luan thanh snippets" » "cong quan thanh snippets", "cong xuan thanh snippets", "cong quang thanh snippets", "tong luan thanh snippets", "cong tuan thanh snippets", "dong luan thanh snippets", "cong luan thanh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 luan thanh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong luan thanh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong luan thanh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong luan thanh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.