Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thien van » thi van
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
cac xuc » cac nuoc, chat xuc, cac cuoc
lam cua » nam cua, lam chat
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky ((nang xa) OR (lang xa)) hoi. thien van ((cac xuc) or (cam xuc)) van hanh lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((nang xa) OR (lang xa)) hoi. thien van ((cac xuc) OR (cam xuc)) van hanh lam cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((nang xa) OR (lang xa)) hoi. thien van ((cac xuc) or (cam xuc)) van hanh lam cua triet".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang xa) OR (lang xa)) hoi. thien van ((cac xuc) or (cam xuc)) van hanh lam cua triet*.