Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
lam tuc » lam thuoc, lam truoc, luat tuc
van lam » van nam
tu sach » thu sach, te sach, vu sach
su sach » so sach, vu sach
tu cach » tu cac
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de 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: ((((tu sach) OR (tu cach))) or (su sach)) ky nang x hoi. hieu van lam tuc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (tu cach))) OR (su sach)) ky nang x hoi. hieu van lam tuc va hanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (tu cach))) or (su sach)) ky nang x hoi. hieu van lam tuc va hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) OR (tu cach))) or (su sach)) ky nang x hoi. hieu van lam tuc va hanh di cua tre*.