Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh binh » thai binh, than kinh, tinh binh
hieu lang » hieu quang, nhieu tang, hieu van
cong hanh » cong khanh, hong hanh, song hanh
lang cong » dang cong, bang cong, hang cong
hanh va » hang va, hanh vi
va lang » va nang, hoa lang
binh co » binh cao, benh co, kinh co

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