Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
chieu sang » chieu sach, chieu xanh, nhieu tang
dong thanh » truong thanh
thanh tinh » thanh binh, nhanh tinh, than kinh
hieu lang » hieu quang, nhieu tang, hieu van
thanh cua » tranh cua, than cua, hanh cua
dang dong » dang cong, dung dong, dan dong
cua dang » cua cong, cua ban
chat » nhat, phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (chieu sang)) - cong thanh cua dang dong thanh tinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - cong thanh cua dang dong thanh tinh chat.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sang)) - cong thanh cua dang dong thanh tinh chat*.