Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong thao » phuong phap, phuong thuc
trinh toan » tinh toan, thanh toan, trinh han
doi chieu » doc hieu, doi chi, mot chieu
thao phan » than phan, thai phan, thanh phan
phan cong » thanh cong
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sang - thanh phuong thao phan cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - thanh phuong thao phan cong trinh toan tap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sang - thanh phuong thao phan cong trinh toan tap*.