Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh
tap doan » tap quan

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 tranh cua nhung cong ((((tan toan) or (van toan))) or (tap doan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - hanh tranh cua nhung cong ((((tan toan) OR (van toan))) OR (tap doan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - hanh tranh cua nhung cong ((((tan toan) or (van toan))) or (tap doan)) cao*.