Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
su sach » so sach, vu sach
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((nang ma) OR (sang ma)) hoi. lieu va cam xuc va ((thanh de) or (thanh pho)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang ma) OR (sang ma)) hoi. lieu va cam xuc va ((thanh de) OR (thanh pho)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ((nang ma) OR (sang ma)) hoi. lieu va cam xuc va ((thanh de) or (thanh pho)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang ma) OR (sang ma)) hoi. lieu va cam xuc va ((thanh de) or (thanh pho)) cua tre*.