Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
thien van » thi van
thuoc day » thuc day, thuoc dac, thuoc dang
hanh tai » thanh tai, hang tai, han tai
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
tu san » thu san, tu ban, tu can
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (tu san)) ky dang ma hoa. thien van nam thuoc day ((hanh va) or (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (tu san)) ky dang ma hoa. thien van nam thuoc day ((hanh va) OR (hanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (tu san)) ky dang ma hoa. thien van nam thuoc day ((hanh va) or (hanh tai)) cua tre*.