Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hang tai » hang va, dung tai
van hang » van khang, van hoang, van thang
cua tre » cua te, cuu tre, cua triet
duc van » duc va, duc tan, duc manh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
va cam » va cham, va cac, va cao

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. hieu ((va cam) or (ve cham)) duc van hang tai ((cua tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. hieu ((va cam) OR (ve cham)) duc van hang tai ((cua tre) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu ((va cam) or (ve cham)) duc van hang tai ((cua tre) or (cua viet))*.