Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
hanh lai » hanh lam, hanh tai, thanh lap
day hanh » day nhanh, day thanh, dao hanh
toc sach » hoc sach, doc sach, thuoc sach
thuc day » thuc dan, thuc vat
va nham » va cham, va tham, va nha
lai cua » dai cua, hai cua, lai chau
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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) or (((te sach) or (toc sach)))) ky nang xa hoi. hieu va nham thuc day hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (((te sach) OR (toc sach)))) ky nang xa hoi. hieu va nham thuc day hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (((te sach) or (toc sach)))) ky nang xa hoi. hieu va nham thuc day hanh lai cua tre*.