Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhanh lang » nhanh quang, nhanh thang, nhan dang
trinh toan » tinh toan, thanh toan, trinh han
mot chieu » doi chieu, ho chieu
cong cong » cong dong, trong cong, dung cong
lang cua » mang cua, hang cua, long cua
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 chieu) or (mot chieu)) tinh - nhanh lang cua cong cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (mot chieu)) tinh - nhanh lang cua cong cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (mot chieu)) tinh - nhanh lang cua cong cong trinh toan cau*.