Perhaps you should try some spelling variations:
ve triet » va trien, su triet
nang noi » nang doc
nang doi » nang doc, hang doi, nang dong
cac toi » cac thoi
hieu ve » hieu va, hieu van
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
toi xa » thoi xa, thi xa, toi la
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: ((tu sach) OR (te sach)) ky lang xa hoi. hieu ve cac toi xa ((nang doi) or (nang noi)) ve 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 cac toi xa ((nang doi) OR (nang noi)) ve 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 cac toi xa ((nang doi) or (nang noi)) ve triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky lang xa hoi. hieu ve cac toi xa ((nang doi) or (nang noi)) ve triet*.