Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
ban thanh » ban hanh, ban hang
cham luc » cham soc, nhan luc, cham cuu
thanh de » hanh de, thanh ve, thanh do
va triet » va trien, ve triet, cua triet
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
luc ban » duc ban, cuc ban, luc bat
thiet » thieu

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 ky nang xa hoi. lieu va cham luc ban thanh de ((va triet) OR (va thiet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. lieu va cham luc ban thanh de ((va triet) OR (va thiet))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. lieu va cham luc ban thanh de ((va triet) OR (va thiet))*.