Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
tu cach » tu cac
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
su sach » so sach, vu sach
va viet » hoa viet, san viet, mai viet
xuc va » duc va, tuc va, luc va
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: ((tu cach) or (su sach)) ky nang x hoi. hieu van cau xuc va thanh di ((cua vat) or (va viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang x hoi. hieu van cau xuc va thanh di ((cua vat) OR (va viet)).
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang x hoi. hieu van cau xuc va thanh di ((cua vat) or (va viet))*.