Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu sang » chieu sach, chieu xanh, nhieu tang
trung tuan » trung thanh, trung tam, tran tuan
hieu lang » hieu quang, nhieu tang, hieu van
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
cong san » cong tac
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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: ho ((chieu sang) OR (hieu lang)) - hanh trung tuan dang cong san ((phan cau) OR (phan cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - hanh trung tuan dang cong san ((phan cau) or (phan cac))~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - hanh trung tuan dang cong san ((phan cau) or (phan cac))*.