Perhaps you should try some spelling variations:
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, vuc van
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
cho hoc » co hoc, khoa hoc
ty hang » ly hang, ty xang, thi hang
ly nang » ky nang, ly hang, ly vang
cua chu » sua chua
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) OR (hoc sach)) ((ly nang) or (ty hang)) cho hoc. hieu ve chat xuc van hanh di cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ((ly nang) OR (ty hang)) cho hoc. hieu ve chat xuc van hanh di cua chu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (hoc sach)) ((ly nang) or (ty hang)) cho hoc. hieu ve chat xuc van hanh di cua chu*".