Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanhc » ban hanh, van thanh, van anh
van hanh » van thanh, ban hanh, van anh
danh tai » doanh tai, dinh tai, hanh tai
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
tai cua » thai cua, tai cuc, tri cua
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va

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 ty ((nang xa) or (lang xa)) hoi. hieu ((van hanhc) or (van hanh)) xuc va danh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang xa) OR (lang xa)) hoi. hieu ((van hanhc) OR (van hanh)) xuc va danh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang xa) or (lang xa)) hoi. hieu ((van hanhc) or (van hanh)) xuc va danh tai cua triet*.