Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh va » trinh van, trinh vat, trinh ve
va thong » va thuong, va phuong, he thong
cong tap » cuong tap, cong tac, cong tan
toan cao » toan tap
toan ban » van ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh va thong cong tap ((toan cao) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh va thong cong tap ((toan cao) OR (toan ban))*.