Perhaps you should try some spelling variations:
trung nhung » trong nhung, trung hung, trung ngung
tuong trung » truong trung, vuong trung, duong trung
manh tuong » manh tung, manh cuong, minh tuong
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
hieu sang » hieu lang, hieu quang, nhieu tang
tran doan » trang doan, tran hoan, toan doanh
tan doan » tap doan, van doan, toan doanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu sang) or (chieu sang)) - manh tuong trung nhung cong ((tan doan) or (tran doan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu sang) OR (chieu sang)) - manh tuong trung nhung cong ((tan doan) OR (tran doan)) van.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu sang) or (chieu sang)) - manh tuong trung nhung cong ((tan doan) or (tran doan)) van*.