Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
dinh thang » dinh thanh, danh thang, vinh thang
minh thanh » dinh thanh, tinh thanh, hinh thanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thuc cung » thuc chung, thuc dung, thuc vung
cung cong » cuong cong, dung cong, cong cong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet danh - ((((benh nhan) or (dinh thang))) or (minh thanh)) thuc cung cong tan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - ((((benh nhan) OR (dinh thang))) OR (minh thanh)) thuc cung cong tan phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - ((((benh nhan) or (dinh thang))) or (minh thanh)) thuc cung cong tan phan lap*.