Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
hien xanh » hien hanh, hien nhanh, chieu xanh
trang cua » tranh cua, trung cua, thang cua
tong cong » trong cong, cong cong, dung cong
tang cua » mang cua, hang cua, tang luan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh ((trang cua) or (tang cua)) tong cong ((thanh toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((trang cua) OR (tang cua)) tong cong ((thanh toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((trang cua) or (tang cua)) tong cong ((thanh toan) or (dan than)) cau*.