Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
thuc cung » thuc chung, thuc vung, tuc cung
thuc dung » thuoc dung, thuy dung, tuc dung
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 - tinh toan ((thuc cung) or (thuc dung)) cong thanh phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - tinh toan ((thuc cung) OR (thuc dung)) cong thanh phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - tinh toan ((thuc cung) or (thuc dung)) cong thanh phan lap*.