Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
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 tac » cong ty
toan cau » toan ban, toan tai
toan cao » toan ban
toan tap » toan ban

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 sang - nhanh lang cua nhung cong tac ((((toan cau) OR (toan cao))) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - nhanh lang cua nhung cong tac ((((toan cau) OR (toan cao))) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - nhanh lang cua nhung cong tac ((((toan cau) OR (toan cao))) or (toan tap))*.