Perhaps you should try some spelling variations:
thanh cac » hanh cac, thanh bac, thanh ca
ban thanh » ban hanh, ban hang
te sach » toc sach
tu cham » toc cham, thi cham
cac chu » cac thu, cac che, cac khu
duc ban » duc tan, duc van, dua ban
chu tre » cho tre, chu tri, cuu tre
sach ky » sac ky, sach y, sach ty
vu cham » va cham, vu kham, qua cham
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
ha hoi » hoa hoi, ha noi, xa hoi

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 tang ha hoi. hieu ((vu cham) OR (tu cham)) duc ban thanh cac chu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang ha hoi. hieu ((vu cham) OR (tu cham)) duc ban thanh cac chu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang ha hoi. hieu ((vu cham) OR (tu cham)) duc ban thanh cac chu tre*.