Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nham thu, pham thuc
toc sach » hoc sach, doc sach, thuoc sach
hanh lam » thanh lap, hanh kem, hanh va
cham tuc » pham thuc, tham thuc, cham soc
nam thuc » nam thuoc, am thuc, nam thu
lam cua » nam cua, lam chat
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu vu » hieu va, hieu ve, hieu su
nang xa » nang x, lang xa, nang ma

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang xa hoi. hieu vu ((cham tuc) OR (((nham thuc) OR (nam thuc)))) va hanh lam cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang xa hoi. hieu vu ((cham tuc) or (((nham thuc) OR (nam thuc)))) va hanh lam cua tre~".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xa hoi. hieu vu ((cham tuc) or (((nham thuc) OR (nam thuc)))) va hanh lam cua tre*.