Perhaps you should try some spelling variations:
ngang cho » nang cho, ngang tho, sang cho
toc sach » hoc sach, doc sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
tu ngang » tu ngan, hu angang, vu ngan
cac xuc » cam xuc, cac nuoc, chat xuc
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, vuc van
hieu va » hieu qua
cho hoc » co hoc, khoa hoc
cua cau » cua cac, cua chu, cua cay
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) OR (toc sach)) tu ngang cho hoc. ((hieu va) or (lieu va)) cac xuc van hanh di cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) tu ngang cho hoc. ((hieu va) OR (lieu va)) cac xuc van hanh di cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) tu ngang cho hoc. ((hieu va) or (lieu va)) cac xuc van hanh di cua cau*".