Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tung » thanh tung, manh tung, hanh dung
tung pham » hung pham, nhung pham, trung phan
pham hanh » pham thanh, pham anh, phan thanh
hanh cong » thanh cong, hang cong, hanh dong
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
tran tan » tran tuan, tran van, tran thanh

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 - hanh tung pham hanh cong tan tran tan~.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh tung pham hanh cong tan tran tan*.