Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trung » thanh trung, hanh trang, manh trung
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, dan than, xuan toan

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 qua)) - hanh trung cua nhung cong ((dan toan) or (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu qua)) - hanh trung cua nhung cong ((dan toan) OR (manh toan)) ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (hieu qua)) - hanh trung cua nhung cong ((dan toan) or (manh toan)) ban*.