Perhaps you should try some spelling variations:
thanh le » thinh le, thanh ve, thanh de
vu sach » vu bach, su sach, vu khach
chuc va » thuc va, thuc vat
va chat » van chat, va phat, cao chat
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
cua tre » cua te, cuu tre, cua triet
cuc va » duc va, cuu va, cu va
le cua » ly cua

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 ((ty nang) OR (ty hang)) xa hoi. lieu va chat ((cuc va) or (chuc va)) thanh le cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ty nang) OR (ty hang)) xa hoi. lieu va chat ((cuc va) OR (chuc va)) thanh le cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ty nang) OR (ty hang)) xa hoi. lieu va chat ((cuc va) or (chuc va)) thanh le cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) OR (ty hang)) xa hoi. lieu va chat ((cuc va) or (chuc va)) thanh le cua tre*.