Perhaps you should try some spelling variations:
"danh chong tham snippets" » "nhanh chong tham snippets", "doanh chung tham snippets", "danh cho tham snippets", "danh hong tham snippets", "danh chong phap snippets", "danh cong thai snippets", "danh chong tham 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: (((("dung java java snippets") or ("danh chong tham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("danh chong tham snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( danh chong tham snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("danh chong tham snippets"))) or ("locating bug code snippets"))*.