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
cua nhung » va nhung
canh dan » canh van, sanh dan, thanh dan
van toan » van tuan, van tan, van thanh
dan cua » dan ca, ban cua, dai cua

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 dan cua nhung cong ((van toan) or (tan tran)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh dan cua nhung cong ((van toan) OR (tan tran)) cau*.