Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
tinh bac » tinh cach, tinh hoc, tinh lao
van hieu » cao hieu
tu cach » tu cac
su sach » so sach, vu sach
cao hoi » cau hoi, co hoi, cao hoc
xuc may » xuc hay, truc may, phuc may
thiet » thieu

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 cao hoi. hieu van cham xuc may tinh bac ((van hieu) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang cao hoi. hieu van cham xuc may tinh bac ((van hieu) OR (va thiet)).
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang cao hoi. hieu van cham xuc may tinh bac ((van hieu) or (va thiet))*.