Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
vai cua » dai cua, hai cua, lai cua
dao vai » dao van, dao va, dao bai
cay tuc » cay thuc, cay thuoc, chay tui
lang xa » lang ha, dang xay, lang van
so sanh » do sanh
va cay » va cac, va cao, va cai
tuc va » thuc va, truc va, tuc xa
va dao » ca dao
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (so sanh)) ty ((lang xa) or (mang may)) hoi. lieu va cay tuc va dao vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (so sanh)) ty ((lang xa) OR (mang may)) hoi. lieu va cay tuc va dao vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (so sanh)) ty ((lang xa) or (mang may)) hoi. lieu va cay tuc va dao vai cua te*.