Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban thai » ban than, ban thi, ban tai
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
nang o » nang co, nang ho, nang ro
ve cac » va cac, vien cac
cua te » cua tu
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) or (vu bach)) ky nang o hoi. hieu ve cac xuc van ban thai ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu bach)) ky nang o hoi. hieu ve cac xuc van ban thai ((cua te) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu bach)) ky nang o hoi. hieu ve cac xuc van ban thai ((cua te) or (cua triet))*.