Perhaps you should try some spelling variations:
nang cho » nang chon, ngang cho, nang cao
ban hanh » ban hang
sang tao » hang tai
te sach » toc sach
hieu va » lieu va, hieu qua
hanh di » hanh vi, hanh de, hang di
cuc ban » cua ban, cac ban, cuu ban
cac cuc » cac cuoc, cac cua, cac nuoc
cua cau » cua cac, cua chu, cua cay
sach ty » sach y, sach tu, sach thu
hieu ve » hieu van
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 ((nang cho) or (sang tao)) hoc. ((hieu ve) OR (hieu va)) cac cuc ban hanh di cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((nang cho) OR (sang tao)) hoc. ((hieu ve) OR (hieu va)) cac cuc ban hanh di cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((nang cho) or (sang tao)) hoc. ((hieu ve) OR (hieu va)) cac cuc ban hanh di cua cau*".