Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cham duc » pham duc, cham soc, pham duy
va thanh » gia thanh, ban thanh, va tinh
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va danh, ban hanh
de cua » le cua, dieu cua
te cua » tue cua, le cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ty nang xa hoi. hieu vu cham duc ((va hanh) OR (va thanh)) ((de cua) or (te cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ty nang xa hoi. hieu vu cham duc ((va hanh) OR (va thanh)) ((de cua) OR (te cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ty nang xa hoi. hieu vu cham duc ((va hanh) OR (va thanh)) ((de cua) or (te cua)) triet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty nang xa hoi. hieu vu cham duc ((va hanh) OR (va thanh)) ((de cua) or (te cua)) triet*.