Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
nhanh thong » nhanh chong, nhanh thang, nhan thong
thuc cong » thuoc cong, thu cong, chuc cong
hoc nhanh » hoc nganh, hoc phan
thong hoc » thuong hoc, tuong hoc, thong hoa
sach hoc » cach hoc, mach hoc, sach duoc
sach hoi » sach doi, sach moi, cach thoi
cong hoc » dong hoc, cong hoa, cong coc
nhan dan » phan dau, gian dan, nhan tai
hoc xa » hoc ma
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: su ((sach hoc) OR (sach hoi)) tap, nghiem thuc cong hoc nhanh thong hoc xa hoi ca nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach hoc) OR (sach hoi)) tap, nghiem thuc cong hoc nhanh thong hoc xa hoi ca nhan dan".
• Adding a wildcard symbol may retrieve word variants: su ((sach hoc) OR (sach hoi)) tap, nghiem thuc cong hoc nhanh thong hoc xa hoi ca nhan dan*.