Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
dang xay » dang van, van xay
hanh vu » hanh vi, hanh va, hanh tu
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
te sach » toc sach
dang xa » lang xa, dang ha, dang va
tuc va » thuc va, truc va, tuc xa
ve cam » ve cac, va cam, ve cai
vu va » vu van, tu va, su va

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 xay)) hoi. hieu ((ve cam) or (ve cham)) tuc va hanh vu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((dang xa) OR (dang xay)) hoi. hieu ((ve cam) OR (ve cham)) tuc va hanh vu va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((dang xa) OR (dang xay)) hoi. hieu ((ve cam) or (ve cham)) tuc va hanh vu va triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((dang xa) OR (dang xay)) hoi. hieu ((ve cam) or (ve cham)) tuc va hanh vu va triet*.