Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cap nuoc » dat nuoc
hieu van » hieu va, thien van, lieu va
su triet » su tien, ve triet
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
su viet » so viet
cac xuc » cam xuc, cac nuoc, chat xuc
cao hoi » cau hoi, co hoi, cao hoc
y nang » ky nang, ly nang, v nang

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 cao hoi. hieu van ((cac xuc) or (cap nuoc)) va thanh lap ((su triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang cao hoi. hieu van ((cac xuc) OR (cap nuoc)) va thanh lap ((su triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang cao hoi. hieu van ((cac xuc) or (cap nuoc)) va thanh lap ((su triet) or (su viet))*.