Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
hieu van » hieu va, thien van, lieu va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 sang) or (hieu van)))) - manh trung cua nhung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((chieu sang) OR (hieu van)))) - manh trung cua nhung cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((chieu sang) or (hieu van)))) - manh trung cua nhung cong dan than cao*.