Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
hieu lang » chieu sang, hieu quang, nhieu tang
han duong » hai duong, thanh duong, phan xuong
van duong » van dong, van dung, van phong
manh toan » thanh toan, anh tuan, tinh toan
anh tang » anh bang, anh dang, anh nang
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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 - ((nhanh mang) or (anh tang)) cua ((han duong) or (van duong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((nhanh mang) OR (anh tang)) cua ((han duong) OR (van duong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((nhanh mang) or (anh tang)) cua ((han duong) or (van duong)) manh toan ban*.