Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » thong cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dung cong » dung trong
tan phan » toan phan, than phan, van 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 chieu sach - hanh tranh cua ((nhung cong) OR (dung cong)) tan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh tranh cua ((nhung cong) OR (dung cong)) tan phan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tranh cua ((nhung cong) OR (dung cong)) tan phan cau*.