Perhaps you should try some spelling variations:
trinh dang » trinh dung, trinh dan, trinh bang
tien soat » trien hoat, thien hoat, kiem soat
hung xuan » dung xuan, hoang xuan, luong xuan
hung tuan » hung tran, quang tuan, trung tuan
kien soat » kiem soat, bien soan, kien hoa
van tien » toan tien, van hieu, van tuan
tin » tinh
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 tien soat ) or ( trinh dang ((hung xuan) OR (hung tuan)) kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van tien soat ) OR ( trinh dang ((hung xuan) OR (hung tuan)) kien soat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung luan van tien soat ) or ( trinh dang ((hung xuan) OR (hung tuan)) kien soat ))".
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van tien soat ) or ( trinh dang ((hung xuan) OR (hung tuan)) kien soat ))*.