Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh nhung » anh nhung, canh nhung, doanh nhung
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, nhieu tang, hieu van
cong hanh » cong thanh, cong khanh, hong hanh
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
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: ho ((hieu lang) OR (hieu quang)) - thanh cong hanh nhung cong tac phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (hieu quang)) - thanh cong hanh nhung cong tac phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (hieu quang)) - thanh cong hanh nhung cong tac phan cau*.