Perhaps you should try some spelling variations:
sach vaya » sach va, sach hay, sach nay
van hanh » van thanh, ban hanh, van anh
sach vay » sach va, sach hay, sach nay
hieu ve » hieu va, hieu van
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, vuc van
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, ma hoa, me hoi

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