Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh dung » thanh duong, thanh tung, thanh hung
phan trong » pham trong, nhan trong, phan tong
dung phan » dung nhan, dung luan, dung ha
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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) OR (chieu sach)) - thanh dung phan trong cong tan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) OR (chieu sach)) - thanh dung phan trong cong tan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) OR (chieu sach)) - thanh dung phan trong cong tan phan cau*.