Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
khoa hoc » hoa hoc
phat van » pham van, phan van, phap van
me hoi » le hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoc tap, nghien cuu tong hoc nganh khoa hoc ((me hoi) or (xa hoi)) va phat van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach hoc tap, nghien cuu tong hoc nganh khoa hoc ((me hoi) OR (xa hoi)) va phat van.
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu tong hoc nganh khoa hoc ((me hoi) or (xa hoi)) va phat van*.