Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lap » thanh san, phan lap, thanh hai
xa thanh » va thanh, ha thanh, ta thanh
hieu van » hieu va, thien van, lieu va
chat xuc » chat huu, chao xu, chat cua
so sach » so sanh, bo sach, co sach
su viet » so viet
sach ly » sach y, sach lo, sach ty
cao hoi » cau hoi, co hoi, cao hoc
ly nang » ky nang, ly hang, ly vang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ly nang cao hoi. hieu van ((chat xuc) or (cam xuc)) xa thanh lap ((cua triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ly nang cao hoi. hieu van ((chat xuc) OR (cam xuc)) xa thanh lap ((cua triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: so sach ly nang cao hoi. hieu van ((chat xuc) or (cam xuc)) xa thanh lap ((cua triet) or (su viet))*.