Perhaps you should try some spelling variations:
thuong cong » thuong con, thuong dong, truong cong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
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: doi chieu xanh - hanh trinh cua ((thuong cong) or (thong cong)) tac ((toan tap) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh cua ((thuong cong) OR (thong cong)) tac ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh trinh cua ((thuong cong) or (thong cong)) tac ((toan tap) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh cua ((thuong cong) or (thong cong)) tac ((toan tap) OR (toan ban))*.