Perhaps you should try some spelling variations:
cuc triet » cua triet, su triet, cac trieu
hanh tai » thanh tai, hang tai, han tai
ban hanh » ban hang
xanh cay » xanh ca, nhanh cay, xanh lam
can ban » van ban, toan ban
cac can » cac dan, cac van, cac ban
hieu ve » hieu va, hieu van
so sach » so sanh, co sach, hoc sach
bo sach » co sach, hoc sach
ve cac » va cac, vien cac

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) or (bo sach)) ky ((xanh cay) or (xanh a)) cho. hieu ve cac can ban hanh tai cuc triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (bo sach)) ky ((xanh cay) OR (xanh a)) cho. hieu ve cac can ban hanh tai cuc triet.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (bo sach)) ky ((xanh cay) or (xanh a)) cho. hieu ve cac can ban hanh tai cuc triet*.