Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
tuong cong » truong cong, trong cong, tong cong
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha
va tuong » va thuong, va thong, xa truong
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan lap, toan cau
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 sach - thanh trung va tuong cong tan ((((phan cau) or (phan tu))) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung va tuong cong tan ((((phan cau) OR (phan tu))) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung va tuong cong tan ((((phan cau) or (phan tu))) or (phan cac))*.