Perhaps you should try some spelling variations:
phap trien » phat trien (Expand Search), pha trien (Expand Search), phan trien (Expand Search)
trien nang » trien nong (Expand Search), trien lang (Expand Search), trien van (Expand Search)
khieu cua » hieu cua (Expand Search), thieu cua (Expand Search), kieu cua (Expand Search)
ban thanh » bui thanh (Expand Search)
ban than » ban thao (Expand Search), van thang (Expand Search), van thanh (Expand Search)
cua ban » cua bao (Expand Search), cua dan (Expand Search), cua can (Expand Search)

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

• Removing quotes may allow a broader search: (( phap trien nang khieu cua ban than. ) OR ( phap trien nang khieu cua ban thanh. )).