Perhaps you should try some spelling variations:
thieu anh » chieu xanh, thien danh, thieu nhi
thien anh » thien danh, tien anh, thien thanh
toan thuc » toan hoc, dan thuc, nhan thuc
thuc hung » thuc chung, thuc nhung, thuc dung
cong tanh » cong thanh, cong tinh, cong danh
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu anh) or (thien anh)) - tinh toan thuc hung ((cong tan) or (cong tanh)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (thien anh)) - tinh toan thuc hung ((cong tan) OR (cong tanh)) phan cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (thien anh)) - tinh toan thuc hung ((cong tan) or (cong tanh)) phan cac*.