Perhaps you should try some spelling variations:
van cham » van chat, van tham, va cham
hieu van » hieu va, thien van, lieu va
cham tuc » nham thuc, pham thuc, tham thuc
dinh ve » dinh ket, dinh van
danh vi » hanh vi, dinh vi, danh di
su sach » so sach, vu sach
lap hai » lap tai, lap lai, lap hoat
ky tang » ky nang, ky dang, kho tang
ky sang » ky nang, ky dang, duy sang
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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 ((ky sang) or (ky tang)) lap hai. hieu van cham tuc va ((danh vi) or (dinh ve)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ky sang) OR (ky tang)) lap hai. hieu van cham tuc va ((danh vi) OR (dinh ve)) cua te.
• Adding a wildcard symbol may retrieve word variants: su sach ((ky sang) or (ky tang)) lap hai. hieu van cham tuc va ((danh vi) or (dinh ve)) cua te*.