Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
sach thoi » cach thoi, sach tham, cac thoi
hoc nganh » hoc nhanh
sach hoi » sach doi, sach moi, cach thoi
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 xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

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