Perhaps you should try some spelling variations:
chua tinh » cua tinh, cha tinh, thuat tinh
canh tran » canh tranh, hanh trang, banh trang
lang cong » dang cong, bang cong, hang cong
chu tinh » chau tinh, cuu tinh, chu tich
tran van » luan van
van lang » van nang, va lang, van hang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((chu tinh) or (chua tinh)) - canh tran van lang cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((chu tinh) OR (chua tinh)) - canh tran van lang cong san toan cau*.