Perhaps you should try some spelling variations:
dinh dai » dinh dat, sinh dai, dinh tai
dinh dao » dinh dat, minh dao, dinh cao
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
xuc va » duc va, tuc va, luc va
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) or (sach y)) nang xa hoi. hieu qua cac xuc va ((dinh dai) OR (dinh dao)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach y)) nang xa hoi. hieu qua cac xuc va ((dinh dai) OR (dinh dao)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) or (sach y)) nang xa hoi. hieu qua cac xuc va ((dinh dai) OR (dinh dao)) cua te".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach y)) nang xa hoi. hieu qua cac xuc va ((dinh dai) OR (dinh dao)) cua te*.