Perhaps you should try some spelling variations:
tham soc » cham soc, tham nuoc, thai son
qua tham » qua cham, qua than, qua thanh
hanh de » hanh ve, hanh kem
hanh di » hanh vi, hang di, danh di
soc ban » hoc ban, coc ban, so ban
cua tre » cua te, cuu tre, cua triet
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
ha hoi » hoa hoi, ha noi, xa hoi
ve cac » va cac, vien cac
te cac » tu cac, te cao, de cac

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

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