Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
vien cac » vien bach, vien dai, vien da
thanh va » thanh van, hanh va, thanh ha
nang cho » nang chon, ngang cho, nang cao
te sach » toc sach
vuc ban » vu ban, duc ban, cuc ban
cua cay » cua cac
sach tu » sach thu, cach tu, sach ty
cho hoc » co hoc, khoa hoc
tu nang » tru nang, tu nong, tu nano
va cua » va chua, via cua, ca cua

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