Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh luan » trinh luan, trinh luat, doanh luan
luan lang » luan nang, quan lang, lan lang
lang cong » dang cong, bang cong, hang cong
cong dan » cong san, cong tan, huong dan
phan tap » phan lap, pha tap, phan tu
han tap » han tai, toan tap, nhan tai

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 luan lang cong dan ((phan tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh tranh luan lang cong dan ((phan tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh luan lang cong dan ((phan tap) or (han tap))*.