Perhaps you should try some spelling variations:
thien hoat » trien hoat, thien thuat, tien hoa
tien soat » trien hoat, kiem soat, tien hoa
trinh dan » trinh han, trinh san, trinh da
hung luan » chung luan, khung luan, hang luan
luan kien » xuan kien, luan lien, quan kien
kien soat » kiem soat, bien soan, kien hoa
dan hung » dang hung, doan hung, dan dung
tin » tinh

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 (thien hoat)) ) or ( trinh dan hung luan kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van ((tien soat) OR (thien hoat)) ) OR ( trinh dan hung luan kien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van ((tien soat) or (thien hoat)) ) or ( trinh dan hung luan kien soat ))*.