Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
ky tang » ky nang, kho tang, ky trong
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tac dai » bac dai, cac dai, tac da
tu san » thu san, tu ban, tu can
va tac » va cac
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 (ky dang)) xa hoi. hieu ve cham duc va tac dai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky tang) OR (ky dang)) xa hoi. hieu ve cham duc va tac dai cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky tang) OR (ky dang)) xa hoi. hieu ve cham duc va tac dai cua te*.