Perhaps you should try some spelling variations:
dinh tai » dinh toai, dinh tri, dinh thi
bac viet » hoc viet, mai viet, dao viet
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve cham » va cham, ve chat, vu cham
va dinh » van dinh, va kinh, va tinh
tai bac » tao bac, tai cac, tai ban
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky lang xa hoi. hieu ((ve cam) OR (ve cham)) duc va dinh tai bac viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky lang xa hoi. hieu ((ve cam) OR (ve cham)) duc va dinh tai bac viet".
• Adding a wildcard symbol may retrieve word variants: tu san ky lang xa hoi. hieu ((ve cam) OR (ve cham)) duc va dinh tai bac viet*.