Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
truong ca » truong cao, truong va, trong ca
dung cong » dung trong
cong rac » cong tac, cong cac, cong dac
rac thai » sac thai, toc thai, bac thay
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 (chieu sang)) - thanh ((trung cua) or (truong ca)) dung cong rac thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - thanh ((trung cua) OR (truong ca)) dung cong rac thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) OR (chieu sang)) - thanh ((trung cua) or (truong ca)) dung cong rac thai cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) OR (chieu sang)) - thanh ((trung cua) or (truong ca)) dung cong rac thai cao*.