Perhaps you should try some spelling variations:
sach bai » sach dao, cac bai, sach xa
dam van » dao van, nam van, pham van
xanh di » danh di, vanh dai, xanh tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
sach ki » sach kinh, sach kem, sach doi
dac van » cac van, dao van, duc van
di cua » dai cua, doi cua, de cua
ve cac » va cac, vien cac
cua cu » cua chu, cua cau, cua su

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 ki) or (sach bai)) nang xa hoi. hieu ve cac ((dac van) OR (dam van)) xanh di cua cu~.
• 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 ((dac van) OR (dam van)) xanh di cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ki) or (sach bai)) nang xa hoi. hieu ve cac ((dac van) OR (dam van)) xanh di cua cu".
• Adding a wildcard symbol may retrieve word variants: te ((sach ki) or (sach bai)) nang xa hoi. hieu ve cac ((dac van) OR (dam van)) xanh di cua cu*.