Perhaps you should try some spelling variations:
thiet phuong » thi phuong, theo phuong, viet phuong
phuong cong » phuong dong, phong cong, phung cong
toan thiet » hoan thien, luan thiet, toan tien
hoc thieu » toc thieu, hoc hien
thieu anh » thien anh, chieu xanh, thien danh
cong than » cong thanh, cong thang, cong tan
phan cac » nhan cach, phan dau, phan van
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 thiet phuong cong than ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu anh - tinh toan thiet phuong cong than ((phan cac) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu anh - tinh toan thiet phuong cong than ((phan cac) or (phan lap))*.