Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua thuong » cua truong, cua phuong, ca thuong
thuong con » thuong dong, truong cong, thong cong
canh manh » lanh manh, canh tranh, cach mang
toan phan » thanh phan, toan ban, hoa phan
manh cua » doanh cua, ban cua
tan phan » than phan, van phan, tai phan

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 - canh manh cua thuong con ((tan phan) or (toan phan)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh manh cua thuong con ((tan phan) OR (toan phan)) dau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh manh cua thuong con ((tan phan) or (toan phan)) dau*.