Perhaps you should try some spelling variations:
tuan duong » tuyen duong, tuong duong, van duong
chau tinh » cuu tinh, ha tinh, cua tinh
hanh dong » anh dong, ha dong
doi chau » doi chieu, gioi chau, hoi chu
luan ung » luan hung, luon ung, luan chung
cong tac » cong ty
tac tuan » tac quan, ta tuan, tai tuan
tuan cau » toan cau, quan cau, tuan cu

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: doi chau tinh - hanh dong ((luan ung) OR (tuan duong)) cong tac tuan cau~.
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - hanh dong ((luan ung) or (tuan duong)) cong tac tuan cau*.