Perhaps you should try some spelling variations:
nhat thuong » nhat huong, phan thuong, luat thuong
nhanh thanh » phan thanh, nhanh tinh
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, mot chieu
nga thong » nha thong, nghe thong, nhan thong
duong dan » duong dang, huong dan, duong van
dan toan » van toan, dan than, manh toan
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: doi chieu sang - nhanh thanh ((nga thong) or (nhat thuong)) duong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - nhanh thanh ((nga thong) OR (nhat thuong)) duong dan toan ban*.