Perhaps you should try some spelling variations:
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
tang luan » dung luan
manh cua » doanh cua, ban cua
tong tap » tuong tac, trong tan, cong tac
cong tan » cong tac, cong san, cong thanh
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: theo chau tinh - hanh ((tang luan) or (manh cua)) nhung ((tong tap) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - hanh ((tang luan) OR (manh cua)) nhung ((tong tap) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - hanh ((tang luan) or (manh cua)) nhung ((tong tap) or (cong tan)) toan cau*.