Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh lang » nhanh quang, nhanh thang, nhan dang
cua nhung » va nhung
tuong tac » luong tai, tuong lai
lang cua » mang cua, hang cua, long cua
cong tac » cong ty
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 sach - nhanh lang cua nhung ((tuong tac) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - nhanh lang cua nhung ((tuong tac) OR (cong tac)) toan tap*.