Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh
nhieu tang » nhiet nang
hanh trung » thanh trung, hanh trang, manh trung
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, hieu van, biet lang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong danh » cuong danh, cong dan, cong thanh
danh tuan » anh tuan, manh tuan, danh thanh
tuan ban » tuan bang, toan ban, luan ban

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) OR (chieu sang))) or (nhieu tang)) - hanh trung cua nhung cong danh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((((hieu lang) OR (chieu sang))) OR (nhieu tang)) - hanh trung cua nhung cong danh tuan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((((hieu lang) OR (chieu sang))) or (nhieu tang)) - hanh trung cua nhung cong danh tuan ban*".