Perhaps you should try some spelling variations:
ngang cho » nang cho, ngang tho, sang cho
toc sach » hoc sach, doc sach, thuoc sach
tu ngang » tu ngan, hu angang, vu ngan
xuc van » luc van, vuc van, xuc ban
hanh di » hanh vi, hanh de, hang di
duc van » duc va, duc tan, duc manh
cua cay » cua cac
van cau » van dau, van hau, van chat
sach tu » sach thu, cach tu, sach ty
van cac » van hac, van bac, dan cac
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: toc sach tu ngang cho hoc. hieu ((van cac) or (van cau)) ((xuc van) OR (duc van)) hanh di cua cay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tu ngang cho hoc. hieu ((van cac) OR (van cau)) ((xuc van) OR (duc van)) hanh di cua cay*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach tu ngang cho hoc. hieu ((van cac) or (van cau)) ((xuc van) OR (duc van)) hanh di cua cay*".