Perhaps you should try some spelling variations:
cam truc » nam truc, lam truoc, nam truoc
cua viet » ca viet, hoa viet, cua vat
so sinh » so sanh, so tinh, cho sinh
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
sinh v » sinh va, sinh y, sinh vat
v nang » va nang, vu nang, van nang
vi cua » vai cua, di cua

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 v nang cao hoi. hieu ve ((cam truc) OR (cau truc)) va hanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sinh v nang cao hoi. hieu ve ((cam truc) OR (cau truc)) va hanh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: so sinh v nang cao hoi. hieu ve ((cam truc) OR (cau truc)) va hanh vi cua viet*.