Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vat » trinh van, trinh luat, sinh vat
cong toan » cong tan, cong hoan, cong tuan
han cong » phan cong, hang cong, hanh cong
toan ban » van ban
vat han » vat phan, van han, vat ran
ban dau » bat dau, ban dan, van dau

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 trinh vat han cong toan ban dau~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh trinh vat han cong toan ban dau*.