Perhaps you should try some spelling variations:
tien trinh » tien thinh, bien tinh, tien thanh
luan chung » luan chinh
theo tien » theo tieu, thuc tien, theo tcvn
tang luan » dung luan
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
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 tien trinh - anh tang luan chung ((cong dong) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tien trinh - anh tang luan chung ((cong dong) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tien trinh - anh tang luan chung ((cong dong) or (cong san)) toan cau*.