Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong cua » huong cua, chuong chua, thong cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) dung cong tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) dung cong tan ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) dung cong tan ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) dung cong tan ((toan cau) or (toan ban))*.