Perhaps you should try some spelling variations:
trung tuan » trung thanh, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung cap, dung cua
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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 cua) OR (trung tuan))) or (trung tam)) nhung cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((((trung cua) OR (trung tuan))) OR (trung tam)) nhung cong ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh ((((trung cua) OR (trung tuan))) or (trung tam)) nhung cong ban than cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((((trung cua) OR (trung tuan))) or (trung tam)) nhung cong ban than cap*.