Perhaps you should try some spelling variations:
sach vay » sach va, sach hay, sach nay
sach tai » sach bai, sach tham, sach dao
hanh di » hanh vi, hanh de, hang di
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
di cua » dai cua, doi cua, de cua
luc va » duc va, tuc va, loc va
ve cau » va cau, ve cac, le cau
ke cau » ket cau
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: tu ((sach tai) or (sach vay)) lang xa hoi. hieu ((ve cau) or (ke cau)) luc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tai) OR (sach vay)) lang xa hoi. hieu ((ve cau) OR (ke cau)) luc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach tai) or (sach vay)) lang xa hoi. hieu ((ve cau) or (ke cau)) luc va hanh di cua te*.