Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
cham sac » cham soc, pham sach, cap sac
sach ty » sach y, sach tu, sach thu
sac van » cac van, san van, sat van
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » lang xa, nang ma, mang xa
cach tu » cach thuc
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (cach tu)) ((nang xa) or (nang x)) hoi. hieu va cham sac van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (cach tu)) ((nang xa) OR (nang x)) hoi. hieu va cham sac van hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (cach tu)) ((nang xa) or (nang x)) hoi. hieu va cham sac van hanh vi cua triet*.