Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chau tinh » cuu tinh, ha tinh, cua tinh
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ho chau » ha chau, ho chu, o chau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - hanh trinh vat dung cong tan ((toan cau) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - hanh trinh vat dung cong tan ((toan cau) OR (toan ban))*.