Perhaps you should try some spelling variations:
ve triet » va trien, su triet
thuc day » thuc dan, thuc vat
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
dinh ve » dinh ket, dinh van
danh ve » hanh ve, anh ve, dan ve
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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

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