Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu xanh » chieu xanh, hieu manh, thien anh
tai thuong » tai phuong, tai truong, thi thuong
hoc thieu » toc thieu, hoc hien
chinh tai » chinh tri
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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 xanh - hanh chinh tai thuong cong ((tac toan) or (hach toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh chinh tai thuong cong ((tac toan) OR (hach toan)) ban*.