Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va 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
cac xuc » cam xuc, cac nuoc, chat xuc
qua cac » cua cac
te sach » toc sach
nang xa » nang x, lang xa, mang xa
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
ve cua » le cua, de cua, te cua

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 xa) or (((sang ma) OR (nang ma)))) hoi. hieu qua cac xuc van quan ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((nang xa) OR (((sang ma) OR (nang ma)))) hoi. hieu qua cac xuc van quan ve cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((nang xa) or (((sang ma) OR (nang ma)))) hoi. hieu qua cac xuc van quan ve cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((nang xa) or (((sang ma) OR (nang ma)))) hoi. hieu qua cac xuc van quan ve cua triet*.