Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
sach bai » sach dao, cac bai, sach xa
duc manh » suc manh, duc anh, duc minh
sach ki » sach kinh, sach kem, sach doi
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
hanh di » hanh vi, hanh de, hang di
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua
cua cu » cua chu, cua cau, cua su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ki) OR (sach bai)) nang xa hoi. hieu ve cac duc manh hanh di cua cu~.
• Adding a wildcard symbol may retrieve word variants: te ((sach ki) or (sach bai)) nang xa hoi. hieu ve cac duc manh hanh di cua cu*.