Perhaps you should try some spelling variations:
thuoc sac » thuoc sach, thuoc dac, thuoc sai
va thanh » gia thanh, ban thanh, va tinh
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
goc va » hoc va, doc va, uoc va
loc va » hoc va, luc va
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: thuoc sac ky nang x ho. lieu va thanh ((goc va) or (loc va)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sac ky nang x ho. lieu va thanh ((goc va) OR (loc va)) hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sac ky nang x ho. lieu va thanh ((goc va) or (loc va)) hanh di cua tre*.