Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
cua dieu » va dieu
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu va » lieu va, hieu qua
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
luc van » luoc van, luu van, luc va
tu ban » thu ban, te ban
ban ky » van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban ky dang xa hoi. hieu va cham ((duc van) or (luc van)) thanh de ((cua dieu) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ky dang xa hoi. hieu va cham ((duc van) OR (luc van)) thanh de ((cua dieu) OR (cua vat)).
• Adding a wildcard symbol may retrieve word variants: tu ban ky dang xa hoi. hieu va cham ((duc van) or (luc van)) thanh de ((cua dieu) or (cua vat))*.