Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong cua » huong cua, thong cua, truong cua
hieu manh » chieu xanh, hieu nganh, dieu hanh
dang cong » dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cua dang » cua cong, cua ban
hang cau » hang dau, hang ca, nhung cau
han cau » phan cau, van cau, han dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - thanh thuong cua dang cong trinh ((han cau) or (hang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh thuong cua dang cong trinh ((han cau) OR (hang cau)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh thuong cua dang cong trinh ((han cau) or (hang cau))*.