Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
tu sach » thu sach, su sach, tu cach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
ve chim » va chim, ve cham, ve chinh
tuc va » thuc va, truc va, tuc xa

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