Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va nhan » van nhan, ca nhan, va phan
tai cua » thai cua, tai cuc, dai cua
ve cac » va cac, vien cac
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ve cac) or (tu san)) ky dang xa hoi. hieu va cham duc va nhan ((tai cua) OR (tri cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ve cac) OR (tu san)) ky dang xa hoi. hieu va cham duc va nhan ((tai cua) OR (tri cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ve cac) or (tu san)) ky dang xa hoi. hieu va cham duc va nhan ((tai cua) OR (tri cua)) tre*".