Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thieu anh » thien anh, chieu xanh, thieu nhi
toan thuc » toan hoc, dan thuc, nhan thuc
thuc hung » thuc chung, thuc nhung, thuc dung
cong tang » cong thang, cong lang, cong vang
cong tan » cong tac, cong san, cong thanh
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 ((thieu anh) or (thien danh)) - tinh toan thuc hung ((cong tan) or (cong tang)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (thien danh)) - tinh toan thuc hung ((cong tan) OR (cong tang)) phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (thien danh)) - tinh toan thuc hung ((cong tan) or (cong tang)) phan lap*.