Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
dung cong » dung trong
hanh han » hanh nhan, hanh phan, hanh san
cong tac » cong ty
than sao » than so, than vao, thanh san
thai cao » tai cao, thoai cac, thuat cao
cu dung » su dung, cau duong, duc dung
han cu » han cua, han tu, dan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chieu sang)) - hanh han cu dung cong tac ((than sao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - hanh han cu dung cong tac ((than sao) OR (thai cao)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - hanh han cu dung cong tac ((than sao) or (thai cao))*.