Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
thuat ban » thuat bai, thuat bao, thuat san
anh tang » anh bang, anh dang, anh nang
cong san » cong tac
tang va » trang va, tang van, thang va
than ma » than man, than va, khan ma

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 xanh - anh tang va nhung cong san ((thuat ban) or (than ma))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - anh tang va nhung cong san ((thuat ban) OR (than ma)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - anh tang va nhung cong san ((thuat ban) or (than ma))*.