Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
cham xu » chao xu, cham cuu, chat xuc
va tinh » may tinh
va kinh » qua kinh
via cua » gia cua, gian cua, giau cua
va cua » va chua, ca cua, ma cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang x hoi. hieu vu cham xu ((va tinh) or (va kinh)) ((va cua) OR (via cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu vu cham xu ((va tinh) OR (va kinh)) ((va cua) OR (via cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang x hoi. hieu vu cham xu ((va tinh) or (va kinh)) ((va cua) OR (via cua)) triet*".