Perhaps you should try some spelling variations:
lan thuong » han thuong, lan phuong, hang thuong
cong thanh » dong thanh, cong trinh, truong thanh
chau tinh » cuu tinh, ha tinh, cua tinh
doi chau » doi chieu, gioi chau, hoi chu
anh dung » anh dong, anh huong, sach dung
dung lan » dung luan, dung land, dung lam
cong tan » cong tac, cong san, cong ty
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 - anh dung lan thuong ((cong tan) OR (cong thanh)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chau tinh - anh dung lan thuong ((cong tan) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - anh dung lan thuong ((cong tan) OR (cong thanh)) toan tap*.