Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hanh luat » nganh luat, hang luan, hanh lam
minh tuan » anh tuan
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
luat van » luan van, luat dan, luat va
van nang » van quang, van ban, van dong

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 lang - hanh luat van nang song ((minh tuan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - hanh luat van nang song ((minh tuan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - hanh luat van nang song ((minh tuan) or (manh toan)) cau*.