Perhaps you should try some spelling variations:
tinh sinh » tinh ninh, tinh binh, tinh hinh
cham luc » cham soc, nhan luc, cham cuu
sinh cau » trinh cau, sinh vat, sinh va
cau treo » cau theo, cau tren, cau triet
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va tinh » may tinh
luc va » duc va, tuc va, loc va
o hoi » co hoi, o hai, o hoa
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 hoi) or (o hoc))) or (x ho)). hieu vu cham luc va tinh sinh cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((((o hoi) OR (o hoc))) OR (x ho)). hieu vu cham luc va tinh sinh cau treo.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((((o hoi) or (o hoc))) or (x ho)). hieu vu cham luc va tinh sinh cau treo*.