Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hang huong » hang thuong, hang luong, hoang phuong
trinh toan » tinh toan, thanh toan, trinh han
doi chieu » doc hieu, doi chi, mot chieu
huong cua » dung cua
dung cong » dung trong
ho chieu » hoc thieu, mot chieu, thi chieu
cua dung » cua dang, cua dong, qua dung
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((ho chieu) OR (doi chieu)))) tinh - hang huong cua dung cong trinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (((ho chieu) OR (doi chieu)))) tinh - hang huong cua dung cong trinh toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (((ho chieu) OR (doi chieu)))) tinh - hang huong cua dung cong trinh toan cau*.