Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
van lam » van nam
lam xuc » cam xuc, lam duoc
xuc ban » duc ban, cuc ban, quoc ban
ban ban » ban banh, van ban, can ban
cua tre » cuu tre, cua triet, dua tren
ban vi » ban voi, ban va, ban ve
cua te » cua tu
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: tu sach ((ty nang) OR (ky nang)) x hoi. hieu van lam xuc ban ban vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) x hoi. hieu van lam xuc ban ban vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ky nang)) x hoi. hieu van lam xuc ban ban vi ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ky nang)) x hoi. hieu van lam xuc ban ban vi ((cua tre) or (cua te))*.