Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
tang luan » dung luan
dong cong » duong cong, dung cong, dang cong
tang cua » mang cua, hang cua, thong cua
cong san » cong tac
san gian » dan gian, san giao, van gian
gian ban » gian bana, gian dan, gian lan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sang)) - hanh ((tang cua) or (tang luan)) dong cong san gian ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - hanh ((tang cua) OR (tang luan)) dong cong san gian ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - hanh ((tang cua) or (tang luan)) dong cong san gian ban*.