Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
sang cho » danh cho, sang tao, dong cho
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
cac duc » cac du, cao duc, cac dac
cua cau » cua cac, cua chu, cua can
duc van » duc va, duc tan, duc manh
cua cay » cua cac
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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 tu ((sang cho) OR (dung cho)) hoc. hieu ve cac duc van thanh vi ((cua cau) or (cua cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu ((sang cho) OR (dung cho)) hoc. hieu ve cac duc van thanh vi ((cua cau) OR (cua cay))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu ((sang cho) OR (dung cho)) hoc. hieu ve cac duc van thanh vi ((cua cau) or (cua cay))*".