Perhaps you should try some spelling variations:
thuoc sac » thuoc sach, thuoc sai, thuoc san
thuoc dac » thuoc dang, thuoc sach, thuc dan
va tham » van tham, va thanh, va thuat
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
va cham » va chat
nang xa » nang x, lang xa, nang ma
soc va » hoc va, loc va, doc va
vi cua » vai cua, di 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) OR (thuoc dac)) ky nang xa hoi. lieu ((va cham) or (va tham)) soc va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sac) OR (thuoc dac)) ky nang xa hoi. lieu ((va cham) OR (va tham)) soc va danh vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sac) OR (thuoc dac)) ky nang xa hoi. lieu ((va cham) or (va tham)) soc va danh vi cua tre*".