Perhaps you should try some spelling variations:
quang tuan » quang thanh, quan luan, quang cua
hien xanh » hien hanh, hien nhanh, chieu xanh
hung tuan » hung tran, trung tuan, hung thang
cong bang » cuong bang, dong bang, hong bang
cong ban » cong san, cong tan, cong dan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

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