Perhaps you should try some spelling variations:
chai cuc » chi cuc, hai cuc, tai cuc
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va chai » va cai, va chat, va cham
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
cuc va » chuc va, duc va, cuu va

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 xa hoi. lieu va chai cuc va hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. lieu va chai cuc va hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. lieu va chai cuc va hanh vi ((cua tre) or (cuu tre))*.