Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hanh trinh » canh tranh, hanh chinh
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
toan cau » toan cao, toan ban, toan tap

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 chua xang - hanh trinh cua ((dung cong) OR (nhung tuong)) tinh toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - hanh trinh cua ((dung cong) or (nhung tuong)) tinh toan cau*.