Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
cac xuc » cam xuc, cac nuoc, chat xuc
doi cua » dai cua, hoi cua
va kinh » va tinh, qua kinh
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, xach tay
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va
di cua » dai cua, de cua, do cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) OR (sach thu)) nang xa hoi. hieu va cac xuc va kinh ((di cua) or (doi cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach thu)) nang xa hoi. hieu va cac xuc va kinh ((di cua) OR (doi cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach thu)) nang xa hoi. hieu va cac xuc va kinh ((di cua) or (doi cua)) te".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) OR (sach thu)) nang xa hoi. hieu va cac xuc va kinh ((di cua) or (doi cua)) te*.