Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
cua trong » cua truong, cua trung, qua trong
van manh » van minh, van anh, van hanh
cong tac » 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 chieu tinh - ((canh manh) or (van manh)) cua trong ((cong san) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - ((canh manh) OR (van manh)) cua trong ((cong san) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((canh manh) or (van manh)) cua trong ((cong san) or (cong tac)) toan tap*.