Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
thanh dan » thanh san, thanh van, thanh dat
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
ly hang » ly quang
ly vang » ly van, ly quang
cua tre » cua te, cuu tre, dua tren
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
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: nuoc sach ((ly vang) or (ly hang)) xa hoi. hieu va cam xuc va thanh dan ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ((ly vang) OR (ly hang)) xa hoi. hieu va cam xuc va thanh dan ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach ((ly vang) or (ly hang)) xa hoi. hieu va cam xuc va thanh dan ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: nuoc sach ((ly vang) or (ly hang)) xa hoi. hieu va cam xuc va thanh dan ((cua tre) OR (cua triet))*.