Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh hoa » trinh do, trinh han
hoa lang » hoa dan, hoa van
nong san » cong san, dong san, trong san
nong dan » cong dan, nguong dan, huong dan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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: ((doi chi) OR (theo tieu)) xanh - hanh trinh hoa lang ((nong san) OR (nong dan)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) or (theo tieu)) xanh - hanh trinh hoa lang ((nong san) OR (nong dan)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (theo tieu)) xanh - hanh trinh hoa lang ((nong san) OR (nong dan)) toan cau*.