Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
qua cham » qua hai, qua cac, va cham
cham tuc » nham thuc, pham thuc, tham thuc
te sach » toc sach
tu nang » tru nang, tu nong, tu nano
va hang » van hang, va nang, va lang
hang vi » hang va, hanh vi, hang di
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
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: te sach ((tu nang) or (truc nano)) o hoi. hieu qua cham tuc va hang vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((tu nang) OR (truc nano)) o hoi. hieu qua cham tuc va hang vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ((tu nang) or (truc nano)) o hoi. hieu qua cham tuc va hang vi cua triet*.