Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
tung dan » huong dan, trung dai, dung dat
dung dan » dung dat, dung san, huong dan
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trinh cua nhung ((tung dan) OR (dung dan)) ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trinh cua nhung ((tung dan) OR (dung dan)) ((toan cau) or (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trinh cua nhung ((tung dan) OR (dung dan)) ((toan cau) or (toan cao))*.