Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
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 ((((hieu manh) or (chieu sach))) or (chieu sang)) - manh trung cua nhung cong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (chieu sach))) OR (chieu sang)) - manh trung cua nhung cong thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (chieu sach))) or (chieu sang)) - manh trung cua nhung cong thanh toan cao*.