Perhaps you should try some spelling variations:
hien bach » vien bach, thien hach, hien hanh
dieu hien » dieu khien, dieu kien, bieu hien
bach nuoc » bach tuoc, sach nuoc, bich ngoc
co sach » bo sach, cuon sach, hoc sach
tu lang » cu lang, tu lanh, tu quang
xu lang » cu lang, xu quang, cua lang
xu dang » su dang, vu dang, xo dang
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
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: co sach ((tu lang) or (((xu lang) OR (xu dang)))) xa hoi. dieu hien bach nuoc va danh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ((tu lang) OR (((xu lang) OR (xu dang)))) xa hoi. dieu hien bach nuoc va danh vi cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach ((tu lang) or (((xu lang) OR (xu dang)))) xa hoi. dieu hien bach nuoc va danh vi cua tu*".