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
toc sach » hoc sach, doc sach, thuoc sach
khoa hoc » hoa hoc
van hoc » van hoa
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
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: ((toc sach) or (thuat sach)) hoc tap, nghien cuu van hoc nganh khoa hoc xa hoi va nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuat sach)) hoc tap, nghien cuu van hoc nganh khoa hoc xa hoi va nhan va.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuat sach)) hoc tap, nghien cuu van hoc nganh khoa hoc xa hoi va nhan va*.