Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
bach nuoc » bach tuoc, sach nuoc, bich ngoc
hien bach » vien bach, thien hach, hien hanh
lang van » dang van, tang van, hoang van
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cua tuc » cua duc, cua thuoc, luat tuc
lang xa » lang ha, dang xay
sac ky » cac ky, sai ky
cua tu » cua su, cua cu, cua te
co sac » co sach, co cac, cao sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sac ky ((lang xa) OR (lang van)) hoi. hieu hien bach nuoc va danh vi ((cua tu) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sac ky ((lang xa) OR (lang van)) hoi. hieu hien bach nuoc va danh vi ((cua tu) OR (cua tuc))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sac ky ((lang xa) OR (lang van)) hoi. hieu hien bach nuoc va danh vi ((cua tu) or (cua tuc))*".