Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trang va » tran van
cong sac » cong sach, cong tac, cong san
sac thai » rac thai, sach tham, toc thai
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (hieu lang)) - thanh ((trang va) or (hang va)) nhung cong sac thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu lang)) - thanh ((trang va) OR (hang va)) nhung cong sac thai cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (hieu lang)) - thanh ((trang va) or (hang va)) nhung cong sac thai cao*.