Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
nho hieu » nha hieu, nho sieu, nhu hieu
tang cua » tang luan, thong cua, quang cua
hang cua » hang ca, huong cua, thong cua
mang cua » manh cua, dung cua, ban cua
cong tai » cong thai, cong tac, dong tai
tai phan » tai thanh, tai phong, tai ngan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho hieu lang - hanh ((((tang cua) OR (hang cua))) or (mang cua)) nhung cong tai phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu lang - hanh ((((tang cua) OR (hang cua))) OR (mang cua)) nhung cong tai phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho hieu lang - hanh ((((tang cua) OR (hang cua))) or (mang cua)) nhung cong tai phan cau*".