Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu long, luu dong
cuu tong » cuu cong, cuu tinh, huu tung
hoc danh » hoc dan, hoc anh, hoc hanh
danh hoa » thanh hoa, khanh hoa, nganh hoa
hoi danh » hop danh, hoi dan, hoi dang
nhan tai » hang tai, van tai, toan tai
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu mach hoc tap, nghien ((cuu dong) OR (cuu tong)) hoc danh hoa hoc xa hoi danh nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu mach hoc tap, nghien ((cuu dong) OR (cuu tong)) hoc danh hoa hoc xa hoi danh nhan tai".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien ((cuu dong) OR (cuu tong)) hoc danh hoa hoc xa hoi danh nhan tai*.