Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung cap, dung cua
nong cong » cong cong, tong cong, nang cong
thanh cau » thanh chau, nhanh cau, thanh ca
thanh mau » hanh mau, thanh san, thanh hai
cong san » cong tac

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