Perhaps you should try some spelling variations:
dinh toai » dinh toi, dinh tai, tinh toan
toai cuc » tai cuc, thoai cac, thi cuc
cuc viet » chuc viet, tuc viet, cua viet
thu san » thuy san, thu ban, phu san
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
thuc va » thuc vat, thuc dan, thuc day
san ky » sang ky, van ky, dan ky
tuc va » truc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san ky nang xa hoi. hieu ve cham ((tuc va) or (thuc va)) dinh toai cuc viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky nang xa hoi. hieu ve cham ((tuc va) OR (thuc va)) dinh toai cuc viet.
• Adding a wildcard symbol may retrieve word variants: thu san ky nang xa hoi. hieu ve cham ((tuc va) or (thuc va)) dinh toai cuc viet*.