Perhaps you should try some spelling variations:
tinh vinh » tinh ninh, tinh binh, tinh hinh
cham loc » cham soc, chon loc, hau loc
vinh cuu » dinh cuu, sinh cua, dinh cu
hieu ve » hieu va, hieu van
va tinh » may tinh
cuu tre » cua tre, cau tren, cau treo
cham o » cham soc
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 loc) or (cham o)) va tinh vinh 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 loc) OR (cham o)) va tinh vinh cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (x ho)). hieu ve ((cham loc) or (cham o)) va tinh vinh cuu tre*.