Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh dung » thanh duong, thanh tung, thanh hung
hieu lang » chieu sang, hieu quang, nhieu tang
cong ban » cong bang, cong san, cong tan
ban nhan » ban than, van nhan, ban thanh
nhan cau » nhanh cau, phan cau, nhan sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu tinh)) - thanh dung ((cua nhung) or (va nhung)) cong ban nhan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu tinh)) - thanh dung ((cua nhung) OR (va nhung)) cong ban nhan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu tinh)) - thanh dung ((cua nhung) or (va nhung)) cong ban nhan cau*.