Perhaps you should try some spelling variations:
quan triet » quan tri, quan viet, quan tren
thanh moi » thanh loi, thanh hoa, thanh hai
ban thanh » ban hanh, ban hang
moi quan » mai quan, hai quan, co quan
ve cham » va cham, ve chat, vu cham
lang xa » lang ha, dang xay, lang van
sang ma » tang ma, nang ma, sang tao
tu ban » thu ban, te ban
te bai » te bao, te tai, te ban
bai ky » ban ky, sai ky, bac ky
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bai ky ((lang xa) or (sang ma)) hoi. hieu ((ve cam) or (ve cham)) tu ban thanh moi quan triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bai ky ((lang xa) OR (sang ma)) hoi. hieu ((ve cam) OR (ve cham)) tu ban thanh moi quan triet.
• Adding a wildcard symbol may retrieve word variants: te bai ky ((lang xa) or (sang ma)) hoi. hieu ((ve cam) or (ve cham)) tu ban thanh moi quan triet*.