Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
huong lan » phuong lan, thuong lan, huong dan
kien soat » kiem soat, bien soan, kien hoa
tinh quan » tinh quang, trinh quan, tin quan
hieu soat » hieu suat, hieu hoat, hieu luat
van kien » van tien, van hien, van chien
van hieu » cao hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( anh ((phuong doan) or (huong lan)) van kien soat ) or ( tinh quan luan van hieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( anh ((phuong doan) OR (huong lan)) van kien soat ) OR ( tinh quan luan van hieu soat )).
• Adding a wildcard symbol may retrieve word variants: (( anh ((phuong doan) or (huong lan)) van kien soat ) or ( tinh quan luan van hieu soat ))*.