Perhaps you should try some spelling variations:
trinh phan » trinh han, trinh quan, thanh phan
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
hung cong » nhung cong, hung cuong, phung cong
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: toc ((thieu anh) OR (thien danh)) - tinh toan thuc hung cong trinh phan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu anh) OR (thien danh)) - tinh toan thuc hung cong trinh phan cac".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu anh) OR (thien danh)) - tinh toan thuc hung cong trinh phan cac*.