Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
nhanh khong » nhanh chong, nganh khong, nhan khong
nghiep quy » nghiep quan, nghiep quoc, nghiep vu
thuoc lai » thuoc tai, thuoc la, thuoc sai
cach hoc » cach thuc, cach thoi, dich hoc
toan hoc » toan khoa, van hoc, tin hoc
cac nhan » ca nhan, cac nha, cam nhan
tu cach » tu cac
lai hoi » dai hoi, lai hoa, lai roi
hoi cac » hoc cac, voi cac, hoa cac
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghiep quy ((toan hoc) OR (hoa hoc)) nhanh khong thuoc lai hoi cac nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghiep quy ((toan hoc) OR (hoa hoc)) nhanh khong thuoc lai hoi cac nhan va".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghiep quy ((toan hoc) OR (hoa hoc)) nhanh khong thuoc lai hoi cac nhan va*.