Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
dung cua » dung luan, dung cho
cong san » cong tac
chay cao » chat cao, nha cao, cay co
cay cao » cay co, tay cao, ca cao

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 - hanh dung cua nhung cong san ((cay cao) OR (chay cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh dung cua nhung cong san ((cay cao) OR (chay cao))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh dung cua nhung cong san ((cay cao) OR (chay cao))*.