Perhaps you should try some spelling variations:
quan duong » tuan duong, quan dong, qua duong
chua xang » chua nang, chuc nang, chu bang
hanh dung » thanh dung, anh dung, hanh dong
quan dung » quang dung, qua dung, quan dong
chi chua » chi cua, cha chua, chay chua
tuan cau » toan cau, quan cau, tuan cu
cong ta » cong tac, cong tan, cong tai
ta tuan » tai tuan, a tuan, ba tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: chi chua xang - hanh dung ((quan dung) or (quan duong)) cong ta tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chi chua xang - hanh dung ((quan dung) OR (quan duong)) cong ta tuan cau.
• Adding a wildcard symbol may retrieve word variants: chi chua xang - hanh dung ((quan dung) or (quan duong)) cong ta tuan cau*.