Perhaps you should try some spelling variations:
ban hanh » ban hang
sach thu » sach thue, sach thieu, sach tham
xang cho » sang cho, hang cho, tang cho
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cac luc » cau luc, coc luc, cac cuoc
hanh di » hanh vi, hanh de, hang di
cua cay » cua cac
sach ty » sach y, sach tu, xach tay
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
di cua » dai cua, doi cua, de 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 ty) or (sach thu)) xang cho hoc. hieu ve ((cac luc) OR (cac nuoc)) ban hanh di cua cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach thu)) xang cho hoc. hieu ve ((cac luc) OR (cac nuoc)) ban hanh di cua cay*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) or (sach thu)) xang cho hoc. hieu ve ((cac luc) OR (cac nuoc)) ban hanh di cua cay*".