Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » manh cua
doanh cua » doanh luan
dan han » dan chan, dan than, dan hanh
han tu » phan tu, hanh tu, ban tu

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 - canh ((tranh cua) or (doanh cua)) nhung huong dan han tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh ((tranh cua) OR (doanh cua)) nhung huong dan han tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh ((tranh cua) or (doanh cua)) nhung huong dan han tu*.