Perhaps you should try some spelling variations:
tinh cua » trinh cua, sinh cua, tinh chat
ta thanh » tai thanh, va thanh, ha thanh
xa thanh » va thanh, ha thanh, gia thanh
tu sach » thu sach, su sach, te sach
lam tuc » lam thuoc, lam truoc, luat tuc
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
va lam » van lam, va lap
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 ((y nang) OR (v nang)) x hoi. hieu va lam tuc ((xa thanh) or (ta thanh)) tinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) x hoi. hieu va lam tuc ((xa thanh) OR (ta thanh)) tinh cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (v nang)) x hoi. hieu va lam tuc ((xa thanh) or (ta thanh)) tinh cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (v nang)) x hoi. hieu va lam tuc ((xa thanh) or (ta thanh)) tinh cua tre*.