Perhaps you should try some spelling variations:
cuc triet » cua triet, su triet, cac trieu
lanh tai » hanh tai, lanh hai, anh tai
san lanh » san doanh, san thanh, song lanh
xanh cay » xanh ca, nhanh cay, xanh lam
cac san » cac dan, cac van, cac ban
cac cac » cac cach, ca cac, cac bac
hieu ve » hieu va, hieu van
co sach » cuon sach, hoc sach
bo 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: ((co sach) OR (bo sach)) ky ((xanh cay) or (xanh a)) cho. hieu ve cac cac san lanh tai cuc triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co sach) OR (bo sach)) ky ((xanh cay) OR (xanh a)) cho. hieu ve cac cac san lanh tai cuc triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co sach) OR (bo sach)) ky ((xanh cay) or (xanh a)) cho. hieu ve cac cac san lanh tai cuc triet".
• Adding a wildcard symbol may retrieve word variants: ((co sach) OR (bo sach)) ky ((xanh cay) or (xanh a)) cho. hieu ve cac cac san lanh tai cuc triet*.