Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
hoc nganh » hoc nhanh
thong hoa » thong khoa, thong ha, thong hoc
sach hoi » sach doi, sach moi, cach thoi
sach bai » sach dao, cac bai, sach xa
nhan dan » phan dau, gian dan, nhan tai
mo hoc » mon hoc, co hoc
hoi ca » hoi cua, hoi cac, hoi cau

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 hoi) or (sach bai)) tap, nghien cuu mo hoc nganh thong hoa xa hoi ca nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach hoi) OR (sach bai)) tap, nghien cuu mo hoc nganh thong hoa xa hoi ca nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoi) or (sach bai)) tap, nghien cuu mo hoc nganh thong hoa xa hoi ca nhan dan*.