Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, dieu hanh, hien hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((hieu manh) OR (hieu nganh))) or (chieu sach)) - hanh mang cua nhung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((hieu manh) OR (hieu nganh))) OR (chieu sach)) - hanh mang cua nhung cong san phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((hieu manh) OR (hieu nganh))) or (chieu sach)) - hanh mang cua nhung cong san phan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((((hieu manh) OR (hieu nganh))) or (chieu sach)) - hanh mang cua nhung cong san phan cau*.