Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh loi, thanh tai
thanh lap » thanh san, phan lap, thanh hai
dua ban » dia ban, cua ban, qua ban
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
ve cham » ve chat, vu cham, ve chim
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ma hoa. hieu ((ve cham) OR (va cham)) dua ban ((thanh lai) OR (thanh lap)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ma hoa. hieu ((ve cham) OR (va cham)) dua ban ((thanh lai) OR (thanh lap)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoa. hieu ((ve cham) OR (va cham)) dua ban ((thanh lai) OR (thanh lap)) cua tre*.