Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
doi chieu » doc hieu, doi chi, ho chieu
tuong dan » huong dan, tung dan, xuong 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: doi chieu xanh - hanh trinh quan nhung tuong dan ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh trinh quan nhung tuong dan ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh quan nhung tuong dan ((toan cau) OR (toan cao))*.