Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
tieu xanh » tieu danh, chieu xanh, dieu hanh
trinh cua » tinh cua, trinh luat, trinh luan
hang nong » thang long, han tong
nong san » cong san, dong san, nong 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.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh ((trinh cua) or (trinh quan)) hang nong san ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((trinh cua) OR (trinh quan)) hang nong san ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((trinh cua) or (trinh quan)) hang nong san ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((trinh cua) or (trinh quan)) hang nong san ((toan cau) OR (toan cao))*.