Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
danh di » danh du, xanh di, danh dien
danh vi » hanh vi, dinh vi, danh va
cac xuc » cam xuc, cac nuoc, chat xuc
ly hang » ly quang
lua tre » cua tre, luy tre, dua tren
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((vu quang) or (ly hang)) x ho. hieu ve cac xuc va ((danh vi) or (danh di)) lua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((vu quang) OR (ly hang)) x ho. hieu ve cac xuc va ((danh vi) OR (danh di)) lua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((vu quang) or (ly hang)) x ho. hieu ve cac xuc va ((danh vi) or (danh di)) lua tre*.