Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
dinh va » dinh ve, tinh va, sinh va
ve cac » va cac, vien cac
cac tu » cac thu, cach tu, cac du

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) or (sach ty)) lang xa hoi. hieu ve cac tu va ((dinh va) or (dinh van)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach ty)) lang xa hoi. hieu ve cac tu va ((dinh va) OR (dinh van)) ve triet.
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach ty)) lang xa hoi. hieu ve cac tu va ((dinh va) or (dinh van)) ve triet*.