Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh huong » thanh huong, anh huong, manh huong
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, mot chieu
huong cua » dung cua
ho chieu » theo chieu, hoc thieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) xanh - hanh huong cua thuong cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) xanh - hanh huong cua thuong cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) xanh - hanh huong cua thuong cong tac toan ban*.