Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
van quan » van ban
sach ty » sach y, sach tu, sach thu
quan ve » quan he, quan vi, quan va
xuc van » duc van, luc van, vuc van
te sach » toc sach
qua cac » cua cac
sang ma » tang ma, nang ma, sang tao
cac xuc » cam xuc, cac nuoc, chat xuc

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 ty ((nang x) or (sang ma)) hoi. hieu qua cac xuc van quan ve ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((nang x) OR (sang ma)) hoi. hieu qua cac xuc van quan ve ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ty ((nang x) or (sang ma)) hoi. hieu qua cac xuc van quan ve ((cua triet) or (su triet))*.