Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va tinh » may tinh
ve cua » de cua, te cua, ve cum
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang x ho. hieu va cac xuc ((va thanh) or (va tinh)) ((ve cua) OR (le cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x ho. hieu va cac xuc ((va thanh) OR (va tinh)) ((ve cua) OR (le cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x ho. hieu va cac xuc ((va thanh) or (va tinh)) ((ve cua) OR (le cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x ho. hieu va cac xuc ((va thanh) or (va tinh)) ((ve cua) OR (le cua)) triet*.