Perhaps you should try some spelling variations:
dinh toai » dinh toi, dinh tai, tinh toan
cac viet » cach viet, ca viet, tac viet
bac viet » hoc viet, mai viet, dao viet
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
va dinh » van dinh, va kinh, va tinh
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang ma hoi. hieu ve cam xuc va dinh toai ((cac viet) OR (bac viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu can ky nang ma hoi. hieu ve cam xuc va dinh toai ((cac viet) OR (bac viet))".
• Adding a wildcard symbol may retrieve word variants: tu can ky nang ma hoi. hieu ve cam xuc va dinh toai ((cac viet) OR (bac viet))*.