Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
thanh lay » thanh lap, thanh tay, thanh lam
va triet » va thiet, va trien, ve triet
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, dua tren
ve nam » he nam, va nam, le nam
v nang » va nang, vu nang, van nang
bach v » bach van
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: vu bach v nang x hoi. hieu ve nam thuc va thanh lay ((cua tre) or (((cua triet) OR (va triet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach v nang x hoi. hieu ve nam thuc va thanh lay ((cua tre) OR (((cua triet) OR (va triet)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach v nang x hoi. hieu ve nam thuc va thanh lay ((cua tre) or (((cua triet) OR (va triet))))".
• Adding a wildcard symbol may retrieve word variants: vu bach v nang x hoi. hieu ve nam thuc va thanh lay ((cua tre) or (((cua triet) OR (va triet))))*.