Perhaps you should try some spelling variations:
kho tang » cao tang
cham duc » pham duc, cham soc, pham duy
ky tang » ky nang, ky dang, ky trong
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
bao dai » bac dai, tao dai, bao dam
tu san » thu san, tu ban, tu can
va bao » va bai
cua te » cua tu

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 tang) OR (kho tang)) xa hoi. hieu ve cham duc va bao dai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky tang) OR (kho tang)) xa hoi. hieu ve cham duc va bao dai cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky tang) OR (kho tang)) xa hoi. hieu ve cham duc va bao dai cua te*.