Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
manh tuong » manh tung, manh cuong, minh tuong
tuong khoa » luong khoa, duong khoa, dung khoa
danh nhan » doanh nhan, thanh nhan, benh nhan
minh hoc » sinh hoc, hinh hoc, tinh hoc
tung hoc » trung hoc, tuong hoc, dung hoc
hoc manh » hoc anh, hoc hanh, hoc danh
van nhan » van phan, van thanh, van khanh
tu minh » thu minh, vu minh, thi minh
khoa xa » hoa xa, khoa ma, khoa x
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu minh hoc tap, nghien huu tung hoc manh tuong khoa xa hai ((van nhan) or (danh nhan)) va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu minh hoc tap, nghien huu tung hoc manh tuong khoa xa hai ((van nhan) OR (danh nhan)) va.
• Adding a wildcard symbol may retrieve word variants: tu minh hoc tap, nghien huu tung hoc manh tuong khoa xa hai ((van nhan) or (danh nhan)) va*.