Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
hanh tai » thanh tai, hang tai, han tai
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
cau xuc » cam xuc, cau luc, chat xuc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
lang ha » long ha
nang xa » nang x, lang xa, nang ma

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 ky ((nang xa) or (lang ha)) hoi. thien van ((cau xuc) OR (cau truc)) va hanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((nang xa) OR (lang ha)) hoi. thien van ((cau xuc) OR (cau truc)) va hanh tai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang xa) or (lang ha)) hoi. thien van ((cau xuc) OR (cau truc)) va hanh tai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang xa) or (lang ha)) hoi. thien van ((cau xuc) OR (cau truc)) va hanh tai cua triet*.