Perhaps you should try some spelling variations:
chai cuc » chi cuc, hai cuc, tai cuc
vu sach » vu bach, su sach, vu khach
ty nang » ky nang, ty xang, ly nang
ty hang » ly hang, ty xang, thi hang
va chai » va cai, va chat, va cham
va tinh » may tinh
tinh le » thinh le, trinh le, dinh le
cua tre » cua te, cuu tre, cua triet
cuc va » chuc va, duc va, cuu 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 chai cuc va tinh 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 chai cuc va tinh le cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ((ty nang) or (ty hang)) xa hoi. lieu va chai cuc va tinh le cua tre*.