Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
thuc van » thuc vat, thuc dan, thuc va
lam cua » nam cua, lam chat
hieu ve » hieu va, hieu van
so sanh » do sanh
ky tang » ky nang, ky dang, kho tang
7 tang » 6 tang
y tang » 6 tang, 5 tang, 9 tang
ma hoi » mai hoi, xa hoi, ma hoa
ve am » va am

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 ((((y tang) OR (ky tang))) or (7 tang)) ma hoi. hieu ve am thuc van hanh lam cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ((((y tang) OR (ky tang))) OR (7 tang)) ma hoi. hieu ve am thuc van hanh lam cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ((((y tang) OR (ky tang))) or (7 tang)) ma hoi. hieu ve am thuc van hanh lam cua viet*".