Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, va danh
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
sach ty » sach y, sach tu, sach thu
vu sach » vu bach, su sach, vu khach
lang ha » long ha
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty ((lang ha) or (trong cac)) hoi. hieu van cau xuc ((va hanh) or (van minh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty ((lang ha) OR (trong cac)) hoi. hieu van cau xuc ((va hanh) OR (van minh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ty ((lang ha) or (trong cac)) hoi. hieu van cau xuc ((va hanh) or (van minh)) vi cua tre*.