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
nhanh mang » nhanh lang, hanh mang, nhanh quang
cua phuong » cuu phuong, cuc phuong, luan phuong
van thang » van thanh, van khang, van hang
mang cua » manh cua, dung cua, ban cua
dan than » dan chan, ban than, van than

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 - nhanh mang cua phuong cong ((dan than) or (van thang)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - nhanh mang cua phuong cong ((dan than) OR (van thang)) ban*.