Perhaps you should try some spelling variations:
nganh tuong » nganh cong, manh tuong, nganh khong
nganh nong » nganh cong
phan van » pham van, thanh van, luan van
hoc taip » hoc tap, hoc dai, hoc bai
tan phan » toan phan, than phan, van phan
sach hoc » cach hoc, sach hoi, mach hoc
hai tan » hai van, hai quan
tai hai » thi hai, dai hai, tai ha
su sach » so sach, vu sach
hoc tai » hoc dai, hoc tap, hoc bai
mot hoc » mon hoc, mo hoc, mot goc
cuu mot » cua mot, cuu mo, huu mot

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoc taip, nghien cuu mot hoc ((nganh tuong) OR (nganh nong)) hoc tai hai tan phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc taip, nghien cuu mot hoc ((nganh tuong) OR (nganh nong)) hoc tai hai tan phan van".
• Adding a wildcard symbol may retrieve word variants: su sach hoc taip, nghien cuu mot hoc ((nganh tuong) OR (nganh nong)) hoc tai hai tan phan van*.