Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
ly vang » ly hang, ly van, ly quang
ly lang » ly hang, le lang, ly lanh
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
ve tai » te tai, de tai, le tai

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 vang)) xa hoi. hieu ((ve tai) or (ve cac)) xuc va danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((ly lang) OR (ly vang)) xa hoi. hieu ((ve tai) OR (ve cac)) xuc va danh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((ly lang) OR (ly vang)) xa hoi. hieu ((ve tai) or (ve cac)) xuc va danh di cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ((ly lang) OR (ly vang)) xa hoi. hieu ((ve tai) or (ve cac)) xuc va danh di cua tre*.