Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
thanh cua » tranh cua, than cua, hanh cua
hang dong » hang nong, hang cong, hanh dong
dong than » dong thanh, dong thuan, dong chan
kinh chao » trinh chao, tinh chat, minh chau
cua hang » cua dang, cua nhung, cua cong

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 hang dong than kinh chao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - cong thanh cua hang dong than kinh chao.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sang)) - cong thanh cua hang dong than kinh chao*.