Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
thuat san » thuat toan, thuat song, thuat lanh
dan chan » dan gian, dan ca, van chat
chan van » chuan van, phan van, nhan van
san hoc » van hoc, dan hoc, san ho
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc dai » hoc dan
dai hoi » dai hoc, dai hai, dai moi
hoi dan » hoa dan, hoc dan, hoi dap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san hoc tap, nghien cuu mot hoc ((nganh khoa) OR (nganh khong)) hoc dai hoi dan chan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san hoc tap, nghien cuu mot hoc ((nganh khoa) OR (nganh khong)) hoc dai hoi dan chan van".
• Adding a wildcard symbol may retrieve word variants: thuat san hoc tap, nghien cuu mot hoc ((nganh khoa) OR (nganh khong)) hoc dai hoi dan chan van*.