Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
dinh vai » dinh van, dinh vi, dinh va
vai cua » dai cua, hai cua, lai cua
va dinh » van dinh, va kinh, va tinh
cau tuc » cau truc, cau tu, cau luc
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, lang van
nang xa » nang x, nang ma, mang xa
va cau » van cau, va cac, va dau
tuc va » thuc va, truc va, tuc xa

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 ky ((nang xa) or (((lang xa) OR (dang xay)))) hoi. lieu va cau tuc va dinh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang xa) OR (((lang xa) OR (dang xay)))) hoi. lieu va cau tuc va dinh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang xa) or (((lang xa) OR (dang xay)))) hoi. lieu va cau tuc va dinh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang xa) or (((lang xa) OR (dang xay)))) hoi. lieu va cau tuc va dinh vai cua triet*.