Perhaps you should try some spelling variations:
thanh trinh » hanh trinh, thanh tinh, thanh binh
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
cong hanh » cong khanh, hong hanh, song hanh
dang cong » dung cong
hanh sua » hinh su, hanh va, hanh tu
sua dang » su dang, cua dang, sua nang
trinh co » trinh do, trinh cong, trinh hoa

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 hanh sua dang cong thanh trinh co~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - cong hanh sua dang cong thanh trinh co.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sang)) - cong hanh sua dang cong thanh trinh co*.