Perhaps you should try some spelling variations:
thuoc cach » thuoc sach, thuc cach, truoc cach
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach thuc, cach noi
goc nganh » hoc nganh, hoc nhanh, cac nganh
thai danh » thai thanh, thai binh, thai den
thoi tap » toi tap, hoc tap, thoi dai
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, nha van
phan van » pham van, thanh van, luan van
cuu mot » cua mot, cuu mo, huu mot
ca thai » chat thai, hoa thai
hoc ca » hoc cao, hoc cua, hoc cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc cach thoi tap, nghien cuu mot goc nganh khoa hoc ca thai danh ((nhan van) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc cach thoi tap, nghien cuu mot goc nganh khoa hoc ca thai danh ((nhan van) OR (phan van)).
• Adding a wildcard symbol may retrieve word variants: thuoc cach thoi tap, nghien cuu mot goc nganh khoa hoc ca thai danh ((nhan van) or (phan van))*.