Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
nang cau » nang cao, hang cau, nang dau
tinh voi » trinh voi, tinh doi, binh voi
ve cham » va cham, ve chat, vu cham
voi cua » hoi cua, doi cua, moi cua
va tinh » may tinh
truc va » thuc va, thuc vat, trung va
so sanh » do sanh
sanh v » sanh va, canh v, sanh _
ve cam » ve cac, va cam, ve cau
v nang » va nang, vu nang, van nang
ve cai » va cai, ve cac, ve tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh v nang cau hoi. hieu ((((ve cam) OR (ve cai))) or (ve cham)) truc va tinh voi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh v nang cau hoi. hieu ((((ve cam) OR (ve cai))) OR (ve cham)) truc va tinh voi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh v nang cau hoi. hieu ((((ve cam) OR (ve cai))) or (ve cham)) truc va tinh voi cua viet".
• Adding a wildcard symbol may retrieve word variants: so sanh v nang cau hoi. hieu ((((ve cam) OR (ve cai))) or (ve cham)) truc va tinh voi cua viet*.