Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
danh du » danh dau, danh tu, dinh du
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
du cua » duy cua, dau cua, dum 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 du 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 du 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 du cua tre*.