Perhaps you should try some spelling variations:
nhanh long » nhanh dong, thanh long, nhanh lang
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
long cua » luong cua, cong cua, dong cua
cua bang » chua bang, cua ban, cua dang
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: ((doi chieu) OR (ho chieu)) tinh - nhanh long cua bang phuong dan ((toan cau) OR (van ban))~.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) tinh - nhanh long cua bang phuong dan ((toan cau) or (van ban))*.