Perhaps you should try some spelling variations:
phuong thanh » phong thanh, truong thanh, phuong thao
dang phuong » bang phuong, dung phuong, dan phuong
nhan thong » nhan trong, nha thong, nhan khong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
thanh van » thanh san, thanh toan, thanh phan
thong tu » phong tuc, thong tin, thong ke
tu dang » thu dang, tu dong, su dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sang)) - nhan thong tu dang phuong thanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - nhan thong tu dang phuong thanh van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - nhan thong tu dang phuong thanh van ban*.