Perhaps you should try some spelling variations:
dong thanh » truong thanh
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tinh » thanh binh, nhanh tinh, than kinh
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, cong thanh
hang dong » hang nong, hang cong, hanh dong
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
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 manh cua hang dong thanh tinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - cong manh cua hang dong thanh tinh chat.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sang)) - cong manh cua hang dong thanh tinh chat*.