Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
tong cong » trong cong, cong cong, dung cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 cap)) tong cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh ((trung cua) OR (trung cap)) tong cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh ((trung cua) or (trung cap)) tong cong dan phan cau*.