Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
thong cua » thong quan, thong tu
huong cua » dung cua
ho chiet » ho chieu, ho thiet, hoc thiet
cong tac » cong ty
than cau » toan cau, than cap, thanh chau
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: ho chiet tach - thanh ((thong cua) OR (huong cua)) nhung cong tac ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((thong cua) OR (huong cua)) nhung cong tac ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh ((thong cua) OR (huong cua)) nhung cong tac ((than cau) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((thong cua) OR (huong cua)) nhung cong tac ((than cau) or (phan cau))*.