Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
phan cau » phan dau, phan cac, phan lap
ho hieu » ho chieu, hoi hieu, nho hieu
lan anh » van anh, tuan anh
anh cua » manh cua, hanh cua, canh cua

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 - lan anh cua nhung cong vang ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - lan anh cua nhung cong vang ((phan cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - lan anh cua nhung cong vang ((phan cau) or (phan tu))*.