Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhanh mang » nhanh lang, hanh mang, nhanh quang
cua thong » cua thuong, cua khong, cua tong
cong tren » dong tren, cong ren, rong tren
mang cua » manh cua, dung cua, ban 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 mang cua thong ((cong tren) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - nhanh mang cua thong ((cong tren) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - nhanh mang cua thong ((cong tren) or (cong tac)) toan tap*.