Perhaps you should try some spelling variations:
hanh cac » hang cac, hanh cat, nhanh cay
ban hanh » ban hang
te sach » toc sach
vu cham » va cham, vu kham, tu cham
cac che » cac he, cac chien, cac chat
duc ban » duc tan, duc van, dua ban
che tre » cho tre, khoe tre, choi tre
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, ve chim
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 ((ve cham) OR (vu cham)) duc ban hanh cac che tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang ha hoi. hieu ((ve cham) OR (vu cham)) duc ban hanh cac che tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang ha hoi. hieu ((ve cham) OR (vu cham)) duc ban hanh cac che tre*.