Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
tham thuc » nham thuc, pham thuc, tam thuc
thu sach » tu sach, thuat sach, thuoc sach
thuc day » thuc dan, thuc vat
day hanh » day nhanh, day thanh, dao hanh
cua viet » ca viet, hoa viet, cua vat
hoc anh » hoc nhanh, ngoc anh, hoc sinh
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu tham » va tham, vu kham, vu cham
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (((hoc anh) or (hoc nganh)))) ky nang xa hoi. hieu vu tham thuc day hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (((hoc anh) OR (hoc nganh)))) ky nang xa hoi. hieu vu tham thuc day hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (((hoc anh) or (hoc nganh)))) ky nang xa hoi. hieu vu tham thuc day hanh vi cua viet*.