Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua nhung » va nhung
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
hanh cac » hang cac, hanh cat, nhanh cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien thanh) or (hieu manh)) - anh dung cua nhung ((cong san) or (cong tan)) hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (hieu manh)) - anh dung cua nhung ((cong san) OR (cong tan)) hanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (hieu manh)) - anh dung cua nhung ((cong san) or (cong tan)) hanh cac*.