Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, nhieu tang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong cang » cong cong, cong lang, cong vang
cang hang » cang thang, hang hang, nang hang
hang cau » hang dau, hang ca, nhung cau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu lang) OR (hieu quang)) - manh trung cua nhung cong cang hang cau~".
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) OR (hieu quang)) - manh trung cua nhung cong cang hang cau*.