Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
doanh va » doanh tai, doanh cua, hanh va
cong tan » cong tac, cong san, cong thanh
tran tap » toan tap, tran tan, tran tuan

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 va) or (doan va)) nhung cong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - hanh ((doanh va) OR (doan va)) nhung cong tan tran tap*.