Perhaps you should try some spelling variations:
bach nuoc » bach tuoc, sach nuoc, bich ngoc
hien bach » vien bach, thien hach, hien hanh
hieu hien » bieu hien, dieu hien, chieu chien
tru nang » tra nang, tri nang, truc nano
danh dai » danh dau, danh di, danh sai
va danh » va dinh, va dan, va hanh
so sach » so sanh, bo sach, co sach
tu lang » cu lang, tu lanh, xu lang
tu nang » tu nong, tu nano, vu nang
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 ((((tu nang) OR (tu lang))) or (tru nang)) xa hoi. hieu hien bach nuoc va danh dai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((((tu nang) OR (tu lang))) OR (tru nang)) xa hoi. hieu hien bach nuoc va danh dai cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((((tu nang) OR (tu lang))) or (tru nang)) xa hoi. hieu hien bach nuoc va danh dai cua tu*".