Perhaps you should try some spelling variations:
thuc chung » thuc cung, thuc nhung, thung chung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thang » cong thanh, cang thang, cong thong
thang phan » thanh phan, thong phan, than phan
thieu anh » thien anh, thien danh, thieu nhi
thuc hung » thuc nhung, thuc dung, thuc cung
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 (chieu xanh)) - tinh toan ((thuc hung) OR (thuc chung)) cong thang phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (chieu xanh)) - tinh toan ((thuc hung) OR (thuc chung)) cong thang phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) or (chieu xanh)) - tinh toan ((thuc hung) OR (thuc chung)) cong thang phan lap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) or (chieu xanh)) - tinh toan ((thuc hung) OR (thuc chung)) cong thang phan lap*.