Perhaps you should try some spelling variations:
nhan tuong » nhan trong, nhan thong, phan thuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
nhan tong » nhan trong, nhan thong, han tong
cong cua » cong cu, dong cua, huong cua
ban phan » ban phap, van phan, ban than
phan cau » phan dau, phan cac, phan tu

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) or (thien anh)) - thanh cong cua ((nhan tong) or (nhan tuong)) ban phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien anh)) - thanh cong cua ((nhan tong) OR (nhan tuong)) ban phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (thien anh)) - thanh cong cua ((nhan tong) or (nhan tuong)) ban phan cau*.