Perhaps you should try some spelling variations:
hanh dinh » thanh dinh, hinh dinh, hanh tinh
hieu van » hieu va, thien van, lieu va
dinh cuu » dinh chi
van cam » van nam, van lam, van cau
vu sach » vu bach, su sach, vu khach
lang xa » dang xay, lang van
lang ha » long ha
cuu tre » cua tre, cau tren, cau treo
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: vu sach y ((lang xa) or (lang ha)) hoi. hieu van cam ((xuc va) or (thuc vat)) hanh dinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y ((lang xa) OR (lang ha)) hoi. hieu van cam ((xuc va) OR (thuc vat)) hanh dinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y ((lang xa) or (lang ha)) hoi. hieu van cam ((xuc va) or (thuc vat)) hanh dinh cuu tre*.