Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
dan hanh » dang hanh, dan khanh, dan thanh
so sanh » do sanh
cao hoi » cau hoi, co hoi, cao hoc
y nang » ly nang, v nang, may nang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
vi hoa » voi hoa, vi hoc, va hoa

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 nang) OR (ky nang)) cao hoi. hieu ((ve cam) or (va cam)) thuc dan hanh vi hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ((y nang) OR (ky nang)) cao hoi. hieu ((ve cam) OR (va cam)) thuc dan hanh vi hoa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ((y nang) OR (ky nang)) cao hoi. hieu ((ve cam) or (va cam)) thuc dan hanh vi hoa viet".
• Adding a wildcard symbol may retrieve word variants: so sanh ((y nang) OR (ky nang)) cao hoi. hieu ((ve cam) or (va cam)) thuc dan hanh vi hoa viet*.