Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, hieu van
cho thong » cho thuong, pho thong, cho trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
anh dung » anh dong, anh huong, ung dung
toan ban » van ban

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 (nhieu tang)) - ((anh dung) or (sach dung)) cho thong cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - ((anh dung) OR (sach dung)) cho thong cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - ((anh dung) or (sach dung)) cho thong cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (nhieu tang)) - ((anh dung) or (sach dung)) cho thong cong manh toan ban*.