Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong thuc » thuong thuc
chieu sang » chieu sach, chieu xanh, hieu lang
thuc cong » thuoc cong, thu cong, chuc cong
ho chieu » theo chieu, hoc thieu, mot chieu
dong tan » duong tan, dong tai, dong san
tan van » tran van, tang van, luan van

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 sang - thanh phuong thuc cong dong tan van ban~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh phuong thuc cong dong tan van ban*.