Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
vu sach » vu bach, su sach, vu khach
lam cho » lam chu, lai cho, lam co
va tinh » may tinh
cho tre » cho thue, khoe tre
sach ky » sac ky, sach y, sach ty
ve cam » ve cham, va cam, ve cai
nang o » nang co, nang ho, nang ro
ve cac » va cac, vien cac
o hoi » co hoi, o hoc, o hai

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

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