Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh cua » doanh luan
trung cua » truong cua, trung tuan, trung cap
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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 tinh - hanh ((doanh cua) or (trung cua)) trong cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - hanh ((doanh cua) OR (trung cua)) trong cong van tuan ban*.