Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
danh di » danh du, xanh di, danh dien
va tham » van tham, va cham, va thanh
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
soc va » hoc va, doc va, goc va
loc va » hoc va, luc va
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) y nang ma hoi. lieu va tham ((soc va) or (loc va)) danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) y nang ma hoi. lieu va tham ((soc va) OR (loc va)) danh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) y nang ma hoi. lieu va tham ((soc va) or (loc va)) danh di cua tre*.