Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, hieu van
hieu quan » hieu qua, lieu quan, thien quan
hanh tang » hanh trang, anh tang, hanh mang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((((hieu lang) or (nhieu tang))) or (hieu quan)) - hanh tang va nhung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((((hieu lang) OR (nhieu tang))) OR (hieu quan)) - hanh tang va nhung cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoi ((((hieu lang) or (nhieu tang))) or (hieu quan)) - hanh tang va nhung cong manh toan cau*.