Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
hung cuong » hung vuong, hong cuong, hung luong
thanh phan » thanh pho, thanh san, thanh toan
hoc thiet » hoc thieu, hoc thuyet, hoc hien
toan thuc » toan hoc, dan thuc, nhan thuc
thuc hung » thuc chung, thuc nhung, thuc dung
than phan » toan phan, thanh pham, thanh nhan

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 - tinh toan thuc hung cuong ((than phan) or (thanh phan)) cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - tinh toan thuc hung cuong ((than phan) OR (thanh phan)) cac.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - tinh toan thuc hung cuong ((than phan) or (thanh phan)) cac*.