Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, dieu hanh, hien hanh
hang cong » dang cong, hang nong, bang cong
dai hang » dai thang, dai han, dat hang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » 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 ((((hieu manh) or (hieu nganh))) or (chieu sach)) - hanh truong dai hang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (hieu nganh))) OR (chieu sach)) - hanh truong dai hang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (hieu nganh))) or (chieu sach)) - hanh truong dai hang cong dan toan cau*.