Perhaps you should try some spelling variations:
hien bach » vien bach, thien hach, hien hanh
bach nuoc » bach tuoc, sach nuoc, bich ngoc
hieu hien » bieu hien, dieu hien, chieu chien
dang xay » dang van, van xay
danh vai » danh sai, danh va, doanh van
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
so sach » bo sach, co sach, hoc sach
lang xa » lang ha, lang van
so sanh » do sanh
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 sach) or (so sanh)) ky ((lang xa) OR (dang xay)) hoi. hieu hien bach nuoc va danh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ky ((lang xa) OR (dang xay)) hoi. hieu hien bach nuoc va danh vai cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (so sanh)) ky ((lang xa) OR (dang xay)) hoi. hieu hien bach nuoc va danh vai cua tu*".