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 manh » hanh mang, lanh manh, hoang manh
cua nhung » va nhung
manh cua » doanh cua, ban cua
van tan » van tuan, van ban, van 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 - hanh manh cua nhung cong ((van tan) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh manh cua nhung cong ((van tan) OR (anh tuan)) cau*.