Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua nhung » va nhung
thanh cau » thanh chau, thanh mau, nhanh cau
thanh cha » thanh ha, thanh nha, thanh phan
hoc hieu » hoc thieu, hoc hien, doc hieu
tinh cua » trinh cua, sinh cua, tinh chat
cong son » cong san, cong so, dong son

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 - hanh tinh cua nhung cong son ((thanh cau) or (thanh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh tinh cua nhung cong son ((thanh cau) OR (thanh cha)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh tinh cua nhung cong son ((thanh cau) or (thanh cha))*.