Perhaps you should try some spelling variations:
phan trien » phat trien, phan tien, phan truyen
thiet soat » thien hoat
trien hoat » tien hoa
kinh quan » sinh quan, tinh quan, tinh quang
quan quan » quan quang, qua quan, quan luan
dinh xuan » dinh van
xuan luan » quan luan, xuan tuan, xuan luong
luan phan » luan van, luan hoan
quan va » quan vi, quan ha, luan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( kinh quan quan va thiet soat ) or ( dinh xuan luan phan trien hoat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( kinh quan quan va thiet soat ) OR ( dinh xuan luan phan trien hoat )).
• Adding a wildcard symbol may retrieve word variants: (( kinh quan quan va thiet soat ) or ( dinh xuan luan phan trien hoat ))*.