Perhaps you should try some spelling variations:
thanh cay » thanh tay, nhanh cay, thanh ca
toc sach » hoc sach, doc sach, thuoc sach
cay cua » ca cua, day cua, cay ca
truc va » thuc va, thuc vat, trung va
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
mai hoi » mai khoi, dai hoi, mai doi
tuc va » thuc va, tuc xa, duc va
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: toc sach ky nang ((mai hoi) OR (lai hoi)). hieu ve cham ((tuc va) or (truc va)) thanh cay cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang ((mai hoi) OR (lai hoi)). hieu ve cham ((tuc va) OR (truc va)) thanh cay cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang ((mai hoi) OR (lai hoi)). hieu ve cham ((tuc va) or (truc va)) thanh cay cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang ((mai hoi) OR (lai hoi)). hieu ve cham ((tuc va) or (truc va)) thanh cay cua te*.