Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
khong cong » thong cong, khong cang, chong cong
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung cap, dung cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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 - thanh ((trung cua) OR (trung tuan)) khong cong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh ((trung cua) OR (trung tuan)) khong cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh ((trung cua) OR (trung tuan)) khong cong dan than cap*.