Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van chat » cao chat
thai cua » than cua, tai cuc, tri cua
cua viet » ca viet, hoa viet, cua vat
vu cham » va cham, vu kham, tu cham
sach ky » sac ky, sach y, sach ty
va dang » van dang, va nang, da dang
va lang » va nang, hoa lang
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang xa hoi. hieu ((vu cham) or (van chat)) tuc ((va dang) OR (va lang)) thai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ((vu cham) OR (van chat)) tuc ((va dang) OR (va lang)) thai cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xa hoi. hieu ((vu cham) or (van chat)) tuc ((va dang) OR (va lang)) thai cua viet*".