Perhaps you should try some spelling variations:
danh dai » danh dau, danh di, danh sai
vu sach » vu bach, vu khach
va danh » va dinh, va dan, va hanh
cac luc » cau luc, coc luc, cac nuoc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
su sach » so sach
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc 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) or (su sach)) ly ((nang xa) OR (nang ma)) hoi. hieu ve cac luc va danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ly ((nang xa) OR (nang ma)) hoi. hieu ve cac luc va danh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (su sach)) ly ((nang xa) OR (nang ma)) hoi. hieu ve cac luc va danh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) ly ((nang xa) OR (nang ma)) hoi. hieu ve cac luc va danh dai cua tre*.