Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
van toan » van tuan, van tan, van thanh
van than » van thanh, van thang, van tuan

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 ((trung tuan) or (truong cua)) nhung cong ((van toan) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((trung tuan) OR (truong cua)) nhung cong ((van toan) OR (van than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((trung tuan) or (truong cua)) nhung cong ((van toan) or (van than)) cau*.