Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
nhung cong » dung cong, thong cong, hang cong
thien anh » tien anh, thien thanh, thien chanh
nhung cau » chung cu, nhung bai, nhu cau
nung cao » nang cao, quang cao, luong cao
cong anh » cong danh, dong anh, hong anh
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: hoc ((thien anh) OR (thien danh)) - thanh ((nung cao) or (nhung cau)) nhung cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - thanh ((nung cao) OR (nhung cau)) nhung cong anh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) OR (thien danh)) - thanh ((nung cao) or (nhung cau)) nhung cong anh tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) OR (thien danh)) - thanh ((nung cao) or (nhung cau)) nhung cong anh tuan ban*.