Perhaps you should try some spelling variations:
nghien huy » nghien cuu, nguyen huy, nghiep quy
nganh khoa » nganh hoa, nganh khong, doanh khoa
goc nganh » hoc nganh, hoc nhanh, cac nganh
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
hoi danh » hop danh, hoi dan, hoi dang
hoc danh » hoc dan, hoc anh, hoc hanh
nhan van » nhan dan, nhan va, phan van
tu mach » tu cach, tu manh, tu hach
hoc dai » hoc dan
huy mot » huu mot, chua mot, huoc mot

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu mach hoc dai, nghien huy mot goc nganh khoa hoc ma ((hoi danh) OR (hoc danh)) nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc dai, nghien huy mot goc nganh khoa hoc ma ((hoi danh) OR (hoc danh)) nhan van".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc dai, nghien huy mot goc nganh khoa hoc ma ((hoi danh) OR (hoc danh)) nhan van*.