Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
lang cua » mang cua, hang cua, long cua
cong san » cong tac
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 (theo tieu)) tinh - nhanh lang cua nhung cong san ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - nhanh lang cua nhung cong san ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) tinh - nhanh lang cua nhung cong san ((van ban) or (toan cao))*.