Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
giao hanh » giao thanh, gia hanh, gian thanh
hoc giao » hoc cao
cau treo » cau theo, cau tren, cau triet
so sach » so sanh, bo sach, co sach
sach ly » sach y, sach lo, sach ty
ly vang » ly hang, ly van, ly quang
vang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
cac hoc » cach hoc, cac hop, bac hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ly vang xa hoi. hieu va cac hoc giao hanh vi ((cau treo) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ly vang xa hoi. hieu va cac hoc giao hanh vi ((cau treo) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: so sach ly vang xa hoi. hieu va cac hoc giao hanh vi ((cau treo) or (cua triet))*.