Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
sach thoi » cach thoi, sach hoi, cac thoi
sach tham » sach nha
hoc nhanh » hoc nganh, hoc phan
khoa hoc » hoa hoc
van luan » van quan, van tuan, von luan
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hai van » thai van, ha van, hai tan
hoc ta » hoc tap, hoc tai, hoc tan
ta hai » tai hai, tac hai, tra hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc ((sach thoi) OR (sach tham)) tap, nghien cuu mot hoc nhanh khoa hoc ta hai van luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc ((sach thoi) OR (sach tham)) tap, nghien cuu mot hoc nhanh khoa hoc ta hai van luan van".
• Adding a wildcard symbol may retrieve word variants: nuoc ((sach thoi) OR (sach tham)) tap, nghien cuu mot hoc nhanh khoa hoc ta hai van luan van*.