Perhaps you should try some spelling variations:
ky trung » ky trong, ki trung, ly trung
trung ha » trung hoc, trung tam, trung cap
qua tham » qua cham, qua than, qua thanh
tham soc » cham soc, tham nuoc, thai son
thanh vi » thanh va, thanh ve, nhanh vi
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
soc ban » hoc ban, coc ban, so ban
ha hoi » hoa hoi, ha noi, xa hoi
ve cac » va cac, vien cac

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

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