Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien tach » thien hach, chiet tach, vien bach
trinh cua » tinh cua, trinh luat, trinh quan
nang cong » nang song, dang cong, bang cong
van thanh » ban thanh, van tuan
cua nang » chua nang, cua dang, cua hang
van toan » van tuan, manh toan, xuan toan
van tan » van tuan, van ban, van tai

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: hoc hien tach - hanh trinh cua nang cong ((((van toan) OR (van tan))) OR (van thanh)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tach - hanh trinh cua nang cong ((((van toan) OR (van tan))) or (van thanh)) ban~".
• Adding a wildcard symbol may retrieve word variants: hoc hien tach - hanh trinh cua nang cong ((((van toan) OR (van tan))) or (van thanh)) ban*.