Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (su sach)) ky nang xa hoi. hieu ve cam ((xuc va) or (duc va)) thanh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (su sach)) ky nang xa hoi. hieu ve cam ((xuc va) OR (duc va)) thanh va cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (su sach)) ky nang xa hoi. hieu ve cam ((xuc va) or (duc va)) thanh va cua tre*.