Perhaps you should try some spelling variations:
khoan than » khoan thanh, khoa than, khan than
than thong » than thuong, toan thong, tran thong
pham thuc » phap thuc, pham chuc, nham thuc
tai thuc » thai thuc, tri thuc, dai thuc
thuc cac » thuc cach, tuc cac, phuc cac
anh tai » hanh tai, anh thai, vanh tai
phu san » phi san, thuy san
so anh » so sanh, so danh, do anh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( so anh tai thuc cac khoan than thong ) or ( phu san pham thuc cac khoan than thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so anh tai thuc cac khoan than thong ) OR ( phu san pham thuc cac khoan than thong )).
• Adding a wildcard symbol may retrieve word variants: (( so anh tai thuc cac khoan than thong ) or ( phu san pham thuc cac khoan than thong ))*.