Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
truc va » thuc va, thuc vat, trung va
so sinh » so sanh, cho sinh, hoa sinh
so tinh » o tinh, so tin, hoi tinh
sang ma » tang ma, nang ma, sang tao
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
v sang » va sang, ve sang, _ sang
vi cua » vai cua, di cua
ve cam » ve cham, 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: ((so sinh) or (so tinh)) v sang ma hoi. hieu ((ve cam) or (ve cac)) truc va thanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sinh) OR (so tinh)) v sang ma hoi. hieu ((ve cam) OR (ve cac)) truc va thanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: ((so sinh) or (so tinh)) v sang ma hoi. hieu ((ve cam) or (ve cac)) truc va thanh vi cua viet*.