Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tien manh » tien thanh, tieng anh, tran manh
hang cong » dang cong, hang nong, bang cong
tien anh » tieng anh, dien anh, tien thanh
trinh va » trinh van, trinh vat, trinh ve
cong anh » cong danh, dong anh, hong anh
toan cau » toan cao, toan ban, toan tap
quan cau » quang cao, quan ha, quan cua
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien manh) or (tien anh)) - hanh trinh va hang cong anh ((toan cau) or (quan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien manh) OR (tien anh)) - hanh trinh va hang cong anh ((toan cau) OR (quan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((tien manh) or (tien anh)) - hanh trinh va hang cong anh ((toan cau) or (quan cau))*.