Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, dieu hanh, hien hanh
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ho ((((hieu manh) OR (hieu nganh))) or (chieu sang)) - hanh trang cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (hieu nganh))) OR (chieu sang)) - hanh trang cua nhung cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu manh) OR (hieu nganh))) or (chieu sang)) - hanh trang cua nhung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) OR (hieu nganh))) or (chieu sang)) - hanh trang cua nhung cong tac toan cau*.