Perhaps you should try some spelling variations:
sach tham » sach nha
lieu van » lieu va, hieu van, sieu van
dan hanh » dang hanh, dan khanh, dan thanh
thuc dan » thuc hanh, hoc dan, thuc vat
sach thu » sach thue, sach thieu, cach thuc
cau thuc » cau truc, cuu thuc, can thuc
xach tay » canh tay
xang xa » lang xa, mang xa, ang xa
van cau » van dau, van hau, van chat
vi cua » vai cua, di cua
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: su ((xach tay) or (((sach thu) OR (sach tham)))) xang xa hoi. lieu van cau thuc dan hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xach tay) OR (((sach thu) OR (sach tham)))) xang xa hoi. lieu van cau thuc dan hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((xach tay) or (((sach thu) OR (sach tham)))) xang xa hoi. lieu van cau thuc dan hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: su ((xach tay) or (((sach thu) OR (sach tham)))) xang xa hoi. lieu van cau thuc dan hanh vi cua te*.