Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
tham soc » cham soc, tham nuoc, thai son
qua tham » qua cham, qua than, qua thanh
thanh di » thanh doi, thanh de, thanh do
cua tre » cua te, cua triet, dua tren
soc ban » hoc ban, coc ban, so ban
ky tang » ky nang, ky dang, kho tang
hoa doi » hoa dai, hoc doi, xoa doi
cuu tre » cau tren, cau treo
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky tang ((ha hoi) or (hoa doi)). hieu qua tham soc ban thanh di ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky tang ((ha hoi) OR (hoa doi)). hieu qua tham soc ban thanh di ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky tang ((ha hoi) or (hoa doi)). hieu qua tham soc ban thanh di ((cua tre) OR (cuu tre))*".