Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
cham hoc » cham soc, chat hoc, cham hoi
tinh cuu » trinh cuu, dinh cuu, tinh cua
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
hoc gia » hoc giao, hoc giai, toc gia
cuu tre » cua tre, cau tren, cau treo
o hoi » co hoi, o hoc, o hai

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 nang ((o hoi) or (x ho)). hieu ve cham hoc gia thanh tinh cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((o hoi) OR (x ho)). hieu ve cham hoc gia thanh tinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (x ho)). hieu ve cham hoc gia thanh tinh cuu tre*.