Perhaps you should try some spelling variations:
cham loc » cham soc, chon loc, cham o
binh cua » sinh cua, dinh cua, benh cua
tinh cua » trinh cua, sinh cua, tinh chat
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
loc gia » luoc gia, toc gia, hoc gia
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 gia thanh ((binh cua) OR (tinh cua)) 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 gia thanh ((binh cua) OR (tinh cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((o hoi) or (x ho)). hieu ve cham loc gia thanh ((binh cua) OR (tinh cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((o hoi) or (x ho)). hieu ve cham loc gia thanh ((binh cua) OR (tinh cua)) tre*.