Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
theo chieu » theo tieu, ho chieu, thi chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
dung cong » dung trong
theo chu » cho chu, chao chu, theo yeu
tinh cua » trinh cua, sinh cua, tinh chat
cua dung » cua dang, cua dong, qua dung
toan cao » toan ban
toan tap » toan ban

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 (theo chu)) tinh - hanh tinh cua dung cong ngang ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) tinh - hanh tinh cua dung cong ngang ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) tinh - hanh tinh cua dung cong ngang ((toan cao) or (toan tap))*.