Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
ly lang » ly vang, le lang, ly lanh
ly hang » ly quang
hanh di » hanh vi, hanh de, hang di
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
di cuu » di cau, di cua, dinh cuu

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 ((ly lang) OR (ly hang)) xa hoi. lieu va cam ((xuc va) or (thuc vat)) hanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ly lang) OR (ly hang)) xa hoi. lieu va cam ((xuc va) OR (thuc vat)) hanh di cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ly lang) OR (ly hang)) xa hoi. lieu va cam ((xuc va) or (thuc vat)) hanh di cuu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ly lang) OR (ly hang)) xa hoi. lieu va cam ((xuc va) or (thuc vat)) hanh di cuu tre*.