Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
vat phuong » va phuong, van phuong, viet phuong
hanh sinh » hanh tinh, hanh dinh, hinh sinh
cong danh » cuong danh, cong dan, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - hanh sinh vat phuong cong danh ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh sinh vat phuong cong danh ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh sinh vat phuong cong danh ((toan cau) or (toan tap))*.