Perhaps you should try some spelling variations:
chau tinh » ha tinh, cua tinh, cac tinh
tang luan » dung luan
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chau tinh) OR (cuu tinh)) - anh tang luan hung cong dan ((toan tap) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chau tinh) OR (cuu tinh)) - anh tang luan hung cong dan ((toan tap) OR (van ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chau tinh) OR (cuu tinh)) - anh tang luan hung cong dan ((toan tap) or (van ban))*".