Perhaps you should try some spelling variations:
manh cuong » anh huong, manh hung, tang cuong
chieu sang » chieu sach, chieu xanh, nhieu tang
trinh toan » tinh toan, thanh toan, trinh han
hieu lang » hieu quang, nhieu tang, hieu van
cuong cua » huong cua, cong cua, luong cua
dang cong » dung cong
cua dang » cua cong, cua ban
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: theo ((hieu lang) or (chieu sang)) - manh cuong cua dang cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - manh cuong cua dang cong trinh toan ban*.