Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
hanh lam » thanh lap, hanh kem, dinh lam
ve triet » va trien, su triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. hieu ve cham tuc xa ((hanh lam) or (hanh va)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. hieu ve cham tuc xa ((hanh lam) OR (hanh va)) ve triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu ve cham tuc xa ((hanh lam) or (hanh va)) ve triet*.