Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, hang tai, han tai
hieu van » hieu va, thien van, lieu va
hanh lai » hanh lam, thanh lap, thanh loi
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
nuoc » quoc, duoc, ngoc

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