Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang tai » hang tai, sang tao, tang tai
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
tai hai » thi hai, dai hai, tai ha
ky sang » ky nang, ky dang, ky tang
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
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 ky sang tai hai. hieu ve cac xuc ((ban hanh) or (va thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang tai hai. hieu ve cac xuc ((ban hanh) OR (va thanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang tai hai. hieu ve cac xuc ((ban hanh) or (va thanh)) vi cua triet*.