Perhaps you should try some spelling variations:
nhuong cong » nhung cong, luong cong, duong cong
van nhuong » van chuong, van phuong, van huong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tran » hanh trang, thanh tran, hanh tram
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tran van » luan van
toan cao » toan ban, toan tap

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

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