Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
dang van » hoang van, hang va
thai tuc » thai thuc, thai thuy, thai hoc
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach ty
hanh va » hang va
va thai » van thai, va tai, va tham
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: thuat sach ky ((nang xa) or (dang van)) hoi. lieu va thai tuc va ((hanh va) OR (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky ((nang xa) OR (dang van)) hoi. lieu va thai tuc va ((hanh va) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky ((nang xa) or (dang van)) hoi. lieu va thai tuc va ((hanh va) OR (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky ((nang xa) or (dang van)) hoi. lieu va thai tuc va ((hanh va) OR (hanh vi)) cua triet*.