Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua triet » cua viet, su triet, va triet
cham duc » pham duc, cham soc, pham duy
thanh ve » hanh ve, thanh va, thanh vien
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang

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