Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tuong va » truong va, thuong va, luong va
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
tung va » trung va, dung va, vung va

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

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