Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
pham thuc » phap thuc, pham chuc, nham thuc
day hanh » day nhanh, day thanh, dao hanh
thuc day » thuc dan, thuc vat
dang ha » dong ha, dung ha, lang ha
sach ky » sac ky, sach y, sach ty
hieu vu » hieu va, hieu ve, hieu su
vu pham » su pham, vi pham, vu kham
dang xa » dang xay, lang xa, dang va
hanh va » hang va, hanh vi
te sach » toc sach
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky ((dang xa) OR (dang ha)) hoi. hieu vu pham thuc day hanh va cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((dang xa) OR (dang ha)) hoi. hieu vu pham thuc day hanh va cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((dang xa) OR (dang ha)) hoi. hieu vu pham thuc day hanh va cua triet*.