Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
luan phung » luan phuong, luan chung, luan phong
phung cong » nhung cong, phong cong, nhung chong
hieu lang » chieu sang, hieu quang, nhieu tang
cong van » cong vang, cong san, song van
van van » tan van, san van, van vat

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) or (hieu lang)) - hanh tranh luan phung cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (hieu lang)) - hanh tranh luan phung cong van van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (hieu lang)) - hanh tranh luan phung cong van van ban*.