Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, nang cao
sang tai » hang tai, sang tao, tang tai
vu sach » vu bach, su sach, vu khach
hai cua » thai cua, dai cua, hoi cua
va danh » va dinh, va hanh, dia danh
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
va dan » ca dan, va dao, va dau

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 ((nang tai) or (sang tai)) roi. hieu ve cam xuc ((va danh) or (va dan)) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty ((nang tai) OR (sang tai)) roi. hieu ve cam xuc ((va danh) OR (va dan)) hai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ty ((nang tai) or (sang tai)) roi. hieu ve cam xuc ((va danh) or (va dan)) hai cua tre*.