Perhaps you should try some spelling variations:
thanh tung » thanh cong
cong cong » cong dong, trong cong, dung cong
cong toan » cong tan, cong hoan, cong tuan
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

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