Perhaps you should try some spelling variations:
ban thanh » ban hanh
qua tham » qua than, qua thanh, quan pham
qua cham » qua hai, qua cac, va cham
ban hang » ngan hang
ky tang » ky nang, ky dang, kho tang
tang ha » lang ha, tang ma, trung ha
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
ha hoi » hoa hoi, ha noi, xa hoi
di cua » dai cua, doi cua, de cua

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 tang ha hoi. hieu ((qua tham) or (qua cham)) soc ((ban thanh) OR (ban hang)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ve cac ky tang ha hoi. hieu ((qua tham) OR (qua cham)) soc ((ban thanh) OR (ban hang)) di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ve cac ky tang ha hoi. hieu ((qua tham) or (qua cham)) soc ((ban thanh) OR (ban hang)) di cua tre*".