Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
trinh quan » tinh quang, trinh luat, trinh han
theo dieu » theo tieu, theo chieu, thuoc dieu
dieu danh » dieu hanh, tieu danh, dia danh
trinh cua » tinh cua, trinh luat, trinh luan
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 dieu danh - hanh ((trinh cua) OR (trinh quan)) nhung huong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu danh - hanh ((trinh cua) OR (trinh quan)) nhung huong dan ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu danh - hanh ((trinh cua) OR (trinh quan)) nhung huong dan ((toan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo dieu danh - hanh ((trinh cua) OR (trinh quan)) nhung huong dan ((toan cau) or (toan cao))*.