Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
nang doc » nang luc
nang doi » nang noi, hang doi, nang dong
cac thoi » cac toi, cac hop, cac tro
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
sach ky » sac ky, sach ty, sach kem
thoi xa » thoi xua, thi xa, thoi va
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 ky) or (sach y)) lang xa hoi. hieu ve cac thoi xa ((nang doi) or (nang doc)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) lang xa hoi. hieu ve cac thoi xa ((nang doi) OR (nang doc)) va triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) lang xa hoi. hieu ve cac thoi xa ((nang doi) or (nang doc)) va triet*.