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