Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
hanh dung » thanh dung, anh dung, hanh dong
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - hanh dung luan nhung cong tan tran cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh dung luan nhung cong tan tran cau*.