Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
thang cua » thong cua, hang cua, than cua
tang cua » mang cua, hang cua, tang luan
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
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 - hanh ((thang cua) or (tang cua)) nhung ((cong tan) OR (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - hanh ((thang cua) OR (tang cua)) nhung ((cong tan) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - hanh ((thang cua) or (tang cua)) nhung ((cong tan) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - hanh ((thang cua) or (tang cua)) nhung ((cong tan) OR (cong tac)) toan cau*.