Perhaps you should try some spelling variations:
thanh huong » thanh hung, thanh cong, anh huong
mien trung » tieng trung, viet trung
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
huong cua » dung cua
cua thong » cua thuong, cua khong, cua tong
cong manh » cong danh, duong manh, cong thanh
manh van » anh van, menh van, canh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (mien trung)) - thanh huong cua thong cong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (mien trung)) - thanh huong cua thong cong manh van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (mien trung)) - thanh huong cua thong cong manh van ban*.