Perhaps you should try some spelling variations:
hoc khanh » hoc nhanh, hoc thanh, hoa khanh
phong hoc » phong ho, thong hoc, phuong hoa
danh nhan » doanh nhan, thanh nhan, benh nhan
dich hoc » sinh hoc, hinh hoc, tinh hoc
hoc hanh » hoc nhanh, hoc thanh, hoc anh
nhan dan » phan dau, gian dan, nhan tai
tu dich » te dich, chu dich, hut dich
cuu mon » cuu mo, cuu mot, cuu cong
ma hop » mau hop, ma hoa, va hop

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dich hoc tap, nghien cuu mon ((hoc khanh) OR (hoc hanh)) phong hoc ma hop danh nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dich hoc tap, nghien cuu mon ((hoc khanh) OR (hoc hanh)) phong hoc ma hop danh nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tap, nghien cuu mon ((hoc khanh) OR (hoc hanh)) phong hoc ma hop danh nhan dan*.