Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong quan » trong quan, thong quan, luong quan
hieu nganh » vien nganh, hiem ngan, nghiep nganh
thuong van » thong van, thuong va, thuong han
truong van » trong van, truong va, truong dai
hieu manh » chieu xanh, dieu hanh, hien hanh
quan cong » qua cong, luan cong, quan dong
tuan cau » toan cau, quan cau, tuan cu

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)) - hanh truong quan cong ((thuong van) or (truong van)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (hieu nganh)) - hanh truong quan cong ((thuong van) OR (truong van)) tuan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) OR (hieu nganh)) - hanh truong quan cong ((thuong van) or (truong van)) tuan cau*".