Perhaps you should try some spelling variations:
ngang cho » ngang tho, sang cho, hang cho
ban hanh » ban hang
toc sach » hoc sach, doc sach, thuoc sach
nang cho » nang chon, nang cao, sang cho
vuc ban » vu ban, duc ban, cuc ban
cac vuc » cac nuoc, cac vung, cac cuoc
hieu ve » hieu va, hieu van
cua cau » cua cac, cua chu, cua cay
ve cac » va cac, vien cac
vi cua » vai cua, di 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) OR (toc sach)) ty ((nang cho) or (ngang cho)) hoc. hieu ve cac vuc ban hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty ((nang cho) OR (ngang cho)) hoc. hieu ve cac vuc ban hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty ((nang cho) or (ngang cho)) hoc. hieu ve cac vuc ban hanh vi cua cau*".