Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
hoa nang » hoa lang, ho nang, hoi nang
xanh di » vanh dai, xanh tai
danh di » danh du, danh dien, danh gia
cau luc » cau truc, cau phuc
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
ha nang » kha nang, da nang, ha tang
luc va » duc va, tuc va, loc va
va cau » van cau, va cac, va dau
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach ((ha nang) or (hoa nang)) x hoi. hieu va cau luc va ((danh di) OR (xanh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ((ha nang) OR (hoa nang)) x hoi. hieu va cau luc va ((danh di) OR (xanh di)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach ((ha nang) or (hoa nang)) x hoi. hieu va cau luc va ((danh di) OR (xanh di)) cua tre".
• Adding a wildcard symbol may retrieve word variants: nuoc sach ((ha nang) or (hoa nang)) x hoi. hieu va cau luc va ((danh di) OR (xanh di)) cua tre*.