Perhaps you should try some spelling variations:
truc van » thuc van, truc ban, truc dan
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
va cau » van cau, va cac, va dau
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: su sach ty nang x hoi. lieu va cau ((((truc van) OR (truc va))) or (thuc va)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang x hoi. lieu va cau ((((truc van) OR (truc va))) OR (thuc va)) hanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang x hoi. lieu va cau ((((truc van) OR (truc va))) or (thuc va)) hanh di cua tre*".