Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
hieu lang » chieu sang, hieu quang, nhieu tang
minh tuan » anh tuan
dung cong » dung trong
ho hieu » ho chieu, hoi hieu, nho hieu
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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 - ((minh tuan) or (hanh trinh)) cua ((nhung cong) or (dung cong)) van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((minh tuan) OR (hanh trinh)) cua ((nhung cong) OR (dung cong)) van tan cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((minh tuan) or (hanh trinh)) cua ((nhung cong) or (dung cong)) van tan cau*.