Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong van » phung van, phong van, phuong lan
doi chieu » doc hieu, doi chi, ho chieu
csinh cua » chinh cua, tinh cua, trinh cua
sinh cua » manh cua, dinh cuu, sinh va
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 ((csinh cua) or (sinh cua)) nhung phuong van ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((csinh cua) OR (sinh cua)) nhung phuong van ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh ((csinh cua) or (sinh cua)) nhung phuong van ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((csinh cua) or (sinh cua)) nhung phuong van ((toan cau) OR (toan cao))*.