Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh tung » thanh cong
luan chung » luan chinh
chung cong » nhung cong, chong cong, phung cong
hieu lang » chieu sang, hieu quang, nhieu tang
cong ban » cong bang, cong san, cong tan
than ban » thanh ban, than man, nhuan ban
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((thanh thuong) or (thanh tung)) luan chung cong ban ((than ban) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((thanh thuong) OR (thanh tung)) luan chung cong ban ((than ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((thanh thuong) or (thanh tung)) luan chung cong ban ((than ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((thanh thuong) or (thanh tung)) luan chung cong ban ((than ban) OR (toan ban))*.