Perhaps you should try some spelling variations:
ve triet » va trien, su triet
danh de » hanh de, dan de, dang de
thuc va » thuc vat, thuc dan, thuc day
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tang xa » trang xa, lang xa, tang ha
tang ma » mang may, tang van
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
te sac » te sach, te cac, te san

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 ((tang xa) or (tang ma)) hoi. hieu ve cham ((xuc va) or (thuc va)) danh de ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((tang xa) OR (tang ma)) hoi. hieu ve cham ((xuc va) OR (thuc va)) danh de ve triet.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((tang xa) or (tang ma)) hoi. hieu ve cham ((xuc va) or (thuc va)) danh de ve triet*.