Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
nang mai » nang ma, nang tai, lang mai
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
mai hoi » mai khoi, dai hoi, lai hoi
thuc va » thuc vat, thuc dan, thuc day
va cam » va cham, va cac, va cao
tu cao » cu cao, tu cac, su cao
ve cam » ve cham, ve cac, ve cai
vu cao » cu cao, va cao
vi va » vi van, vai va, vu va

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

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