Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
lang hoa » hang hoa, lang ha, nang hoa
thanh vi » hanh vi, thanh va, thanh ve
toc sac » toc sach, toc san, hoc sach
ky lang » ky nang, ky dang, ky tang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
duc ban » duc tan, duc van, dua ban
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
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 sac ky lang hoa hoi. hieu ve cac duc ban thanh vi ((cua te) or (qua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sac ky lang hoa hoi. hieu ve cac duc ban thanh vi ((cua te) OR (qua su))*.