Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
va triet » va thiet, va trien, ve triet
cham duc » pham duc, cham soc, pham duy
thu sach » tu sach, thuat sach, thuoc sach
van anh » tuan anh, van minh
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
lai va » loai va, mai va, dai va
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (thu sach)) y nang x hoi. hieu ve cham duc ((van thanh) or (van anh)) lai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu sach)) y nang x hoi. hieu ve cham duc ((van thanh) OR (van anh)) lai va triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu sach)) y nang x hoi. hieu ve cham duc ((van thanh) or (van anh)) lai va triet*.