Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung quan » truong quan, trong quan, trung tuan
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
hien sach » kien sach, thien hach, chieu sach
dien sach » dien anh
cong san » cong tac
phat cap » phan cac, phan cau, pham ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien sach) OR (dien sach)) - thanh trung quan nhung cong san ((phat cap) or (phat am))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (dien sach)) - thanh trung quan nhung cong san ((phat cap) OR (phat am)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sach) OR (dien sach)) - thanh trung quan nhung cong san ((phat cap) or (phat am))".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) OR (dien sach)) - thanh trung quan nhung cong san ((phat cap) or (phat am))*.