Perhaps you should try some spelling variations:
phuong tong » phuong trong, phuong dong, phuong hoang
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
cua phuong » cuu phuong, cuc phuong, luan phuong
doi chieu » doc hieu, doi chi, ho chieu
tong luan » tang luan, dung luan, hang luan
toan tai » doanh tai, toan ban, toan cao
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: doi chieu xanh - ((thanh trung) OR (thanh tung)) cua phuong tong luan ((toan tai) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh trung) OR (thanh tung)) cua phuong tong luan ((toan tai) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((thanh trung) OR (thanh tung)) cua phuong tong luan ((toan tai) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((thanh trung) OR (thanh tung)) cua phuong tong luan ((toan tai) or (toan tap))*.