Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
tu sach » thu sach, su sach, te sach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
va phan » van phan, va phat, va phap
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: ((tu sach) or (thuat sach)) hoc tap, nghien cuu mot hoc nganh khoa hoc xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat sach)) hoc tap, nghien cuu mot hoc nganh khoa hoc xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat sach)) hoc tap, nghien cuu mot hoc nganh khoa hoc xa hoi va phan van*.