Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh van » thanh san, thanh toan, thanh phan
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong bang » cuong bang, dong bang, hong bang
hanh van » khanh van, hanh va, hanh san
than cau » toan cau, than cap, thanh chau
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: theo chieu xanh - ((hanh van) OR (thanh van)) quan dung cong bang ((than cau) OR (phan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((hanh van) OR (thanh van)) quan dung cong bang ((than cau) or (phan cau))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh van) OR (thanh van)) quan dung cong bang ((than cau) or (phan cau))*.