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
cong vang » cong lang, cong quang, cong ngang
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong san, song van, cong tan
tuan cau » toan cau, quan cau, tuan cu

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)) thong ((cong van) or (cong vang)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) thong ((cong van) OR (cong vang)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) thong ((cong van) or (cong vang)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((phuong cua) OR (phuong cham)) thong ((cong van) or (cong vang)) tuan cau*.