Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nhanh khong » nhanh chong, nganh khong, nhan khong
hoc nhanh » hoc nganh, hoc phan
sach hoc » sach hoi, mach hoc, sach duoc
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
thuoc xa » thuoc ma, thuoc va, thuoc la
cua phan » cua nhan, cua phap, cua han
phan van » pham van, thanh van, luan van
hoi cua » hoi chuc

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 hoc) OR (cach hoc)) tap, nghien cuu cong hoc nhanh khong thuoc xa hoi cua phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach hoc) OR (cach hoc)) tap, nghien cuu cong hoc nhanh khong thuoc xa hoi cua phan van".
• Adding a wildcard symbol may retrieve word variants: tu ((sach hoc) OR (cach hoc)) tap, nghien cuu cong hoc nhanh khong thuoc xa hoi cua phan van*.