Perhaps you should try some spelling variations:
nang dai » nang dau, nang tai, lang dai
cham xuc » cam xuc, chat xuc, cham soc
xuc tuan » duc thuan, quoc tuan, xuan tuan
su sach » so sach
vu sach » vu bach, vu khach
dai hoi » dai hoc, dai hai, dai moi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (vu sach)) ky nang dai hoi. hieu ve cham xuc tuan anh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky nang dai hoi. hieu ve cham xuc tuan anh vi cua su.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky nang dai hoi. hieu ve cham xuc tuan anh vi cua su*.