Perhaps you should try some spelling variations:
chiet tach » chieu sach
mot chiet » mot chieu, mot chien, mot chut
hanh tung » thanh tung, manh tung, hanh dung
tung pham » hung pham, nhung pham, trung phan
pham hang » pham hoang, pham hong, pham hanh
hang cong » dang cong, hang nong, bang cong
cong tan » cong tac, cong san, cong thanh
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot chiet tach - hanh tung pham hang cong tan tran van~.
• Adding a wildcard symbol may retrieve word variants: mot chiet tach - hanh tung pham hang cong tan tran van*.