Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, cach thuc
sach tham » sach nha
dinh vai » dinh van, dinh vi, dinh va
vai cuu » vai cua
va dinh » van dinh, va kinh, va tinh
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc va

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 thue) OR (sach tham)) nang xa hoi. ((hieu ve) or (hieu va)) cam xuc va dinh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thue) OR (sach tham)) nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va dinh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thue) OR (sach tham)) nang xa hoi. ((hieu ve) or (hieu va)) cam xuc va dinh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thue) OR (sach tham)) nang xa hoi. ((hieu ve) or (hieu va)) cam xuc va dinh vai cuu tre*.