Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh va, hanh van
sach ty » sach y, sach tu, sach thu
cao duc » dao duc, cao suc, giao duc
hieu va » lieu va, hieu qua
xang ma » tang ma, nang ma, sang ma
ma hoi » mai hoi, xa hoi, ma hoa
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 ty xang ma hoi. hieu va ((cam xuc) or (cao duc)) van ((hanh vai) or (hanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ty xang ma hoi. hieu va ((cam xuc) OR (cao duc)) van ((hanh vai) OR (hanh tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: hoc sach ty xang ma hoi. hieu va ((cam xuc) or (cao duc)) van ((hanh vai) or (hanh tai)) cua te*.