Perhaps you should try some spelling variations:
sach vaya » sach va, sach hay, sach nay
vanh dai » van dai, vanh tai, lanh dao
hanh dai » hanh tai, hanh dao, thanh dat
sach vay » sach va, sach hay, sach nay
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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 vay) or (sach vaya)) sang ma hoi. hieu ve cac xuc van ((hanh dai) or (vanh dai)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach vay) OR (sach vaya)) sang ma hoi. hieu ve cac xuc van ((hanh dai) OR (vanh dai)) cua tu.
• Adding a wildcard symbol may retrieve word variants: te ((sach vay) or (sach vaya)) sang ma hoi. hieu ve cac xuc van ((hanh dai) or (vanh dai)) cua tu*.