Perhaps you should try some spelling variations:
hieu hien » bieu hien, chieu chien, dieu khien
bach nuoc » bach tuoc, sach nuoc, bich ngoc
dieu hien » dieu khien, dieu kien, bieu hien
so sanh » do sanh
ty lang » tay lang, ty xang, tu lang
danh vi » hanh vi, dinh vi, danh di
ty hang » ly hang, ty xang, thi hang
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

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