Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cau treo » cau theo, cau tren, cau triet
cham xuc » cam xuc, chat xuc, cham soc
dua tren » dung tren
van anh » van thanh, tuan anh, van minh
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
ty nang » ky nang, ty xang, ty hang
xuc van » duc van, luc van, vuc van
anh di » danh di, xanh di, anh d
nang o » nang co, nang ho, nang ro
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 sach ty nang o hoi. hieu vu cham xuc van anh di ((((dua tren) or (cua triet))) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang o hoi. hieu vu cham xuc van anh di ((((dua tren) OR (cua triet))) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang o hoi. hieu vu cham xuc van anh di ((((dua tren) or (cua triet))) or (cau treo))*.