Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
chau tinh » cuu tinh, ha tinh, cua tinh
trang va » tran van, hang va
va trong » va truong, va thong, va tuong
cong san » cong tac
phan dau » hang dau
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - canh trang va trong cong san ((phan dau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - canh trang va trong cong san ((phan dau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - canh trang va trong cong san ((phan dau) or (phan tu))*.