Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
thanh lap » thanh san, phan lap, thanh hai
va triet » va thiet, va trien, ve triet
cap nuoc » dat nuoc
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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 ma hoi. hieu van ((cac xuc) or (cap nuoc)) va thanh lap ((cua triet) OR (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. hieu van ((cac xuc) OR (cap nuoc)) va thanh lap ((cua triet) OR (va triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ma hoi. hieu van ((cac xuc) or (cap nuoc)) va thanh lap ((cua triet) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. hieu van ((cac xuc) or (cap nuoc)) va thanh lap ((cua triet) OR (va triet))*.