Perhaps you should try some spelling variations:
danh dien » dinh dien, danh kien, danh lien
qua tham » qua cham, qua than, qua thanh
tham soc » cham soc, tham nuoc, thai son
cuc tre » cua tre, cuu tre, cuc thue
va danh » va dinh, va dan, va hanh
sach va » sach xa, sach ha, sach dao
duc tre » duoc tren, duc tien
sach v » sach y, sach 2, sach vay
soc va » hoc va, loc va, doc va
x hoi » xa hoi, o hoi, x ho

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 v) or (sach va)) nang x hoi. hieu qua tham soc va danh dien ((cuc tre) OR (duc tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach v) OR (sach va)) nang x hoi. hieu qua tham soc va danh dien ((cuc tre) OR (duc tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) or (sach va)) nang x hoi. hieu qua tham soc va danh dien ((cuc tre) OR (duc tre))*".