Perhaps you should try some spelling variations:
cua viet » ca viet, cua vat, cua dieu
so sinh » so sanh, so tinh, cho sinh
va hanh » van hanh, va thanh, va danh
cam thu » nam thu, cac thu, ca thu
ly tang » le tang, ly hang, ly vang
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ve cam » ve cham, ve cac, va cam
thu va » thuc va, thue va, tu va
ma hoi » xa hoi, ma hoa, me hoi

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 ly tang ((ma hoi) OR (mai hoi)). hieu ve cam thu va hanh vi ((cua viet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sinh ly tang ((ma hoi) OR (mai hoi)). hieu ve cam thu va hanh vi ((cua viet) OR (hoa viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sinh ly tang ((ma hoi) OR (mai hoi)). hieu ve cam thu va hanh vi ((cua viet) or (hoa viet))*".