Perhaps you should try some spelling variations:
hien soat » thien hoat, kiem soat, bien soan
van hien » van hieu, van tien
dung lam » dung tai, dung dat
san kien » van kien, phan kien, danh kien
kien hoa » dien hoa, tien hoa, kien ha
dung ha » dung va, dung he, dung khoa
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung luan van hien soat ) or ( tinh ((dung lam) OR (dung ha)) san kien hoa ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van hien soat ) OR ( tinh ((dung lam) OR (dung ha)) san kien hoa ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung luan van hien soat ) or ( tinh ((dung lam) OR (dung ha)) san kien hoa ))*".