Perhaps you should try some spelling variations:
manh tuong » manh tung, manh cuong, minh tuong
cach thuc » anh thuc, cac thu
tuong hoc » truong hoc, tuong ho, duong hoc
danh nhan » doanh nhan, thanh nhan, benh nhan
cach hoc » cach thoi, dich hoc, cac hop
hoc manh » hoc anh, hoc hanh, hoc mang
hoc danh » hoc dan, hoc anh, hoc hanh
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
nhan va » nhan tai, nhan dan, nhan tao
ma hoc » va hoc, ma hoa, mo hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((cach hoc) or (cach thuc)) tap, nghien cuu mot hoc manh tuong hoc ma hoc danh nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((cach hoc) OR (cach thuc)) tap, nghien cuu mot hoc manh tuong hoc ma hoc danh nhan va.
• Adding a wildcard symbol may retrieve word variants: su ((cach hoc) or (cach thuc)) tap, nghien cuu mot hoc manh tuong hoc ma hoc danh nhan va*.