Perhaps you should try some spelling variations:
tinh vinh » tinh ninh, tinh binh, tinh hinh
cham loc » cham soc, chon loc, cham o
vinh cuu » dinh cuu, sinh cua, dinh cu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va tinh » may tinh
cuu tre » cua tre, cau tren, cau treo
loc va » hoc va, luc va
o hoc » co hoc, mo hoc, so hoc

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