Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua khong » hua khong, cua phuong, cua thuong
hoc vien » hoc hien, hoc viet, hoc tieng
vien anh » vien canh, viet anh, dien anh
tang tan » tang van, tang tai, tang dan
cong tac » cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc vien anh - hanh trinh cua khong ((tang tan) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc vien anh - hanh trinh cua khong ((tang tan) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc vien anh - hanh trinh cua khong ((tang tan) or (cong tac)) toan cao*.