Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
chien cuoc » chien luoc, nhiem cuoc
thu sach » thuat sach, thuoc sach, thu hoach
cuoc duc » nuoc duc, duoc duoc, cuoc doi
hang tai » dung tai
su triet » su viet, su tien, ve triet
tu sach » su sach, te sach, tu cach
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (thu sach)) y nang x hoi. chieu chien cuoc duc van ((hang tai) or (hang va)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang x hoi. chieu chien cuoc duc van ((hang tai) OR (hang va)) su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y nang x hoi. chieu chien cuoc duc van ((hang tai) or (hang va)) su triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) y nang x hoi. chieu chien cuoc duc van ((hang tai) or (hang va)) su triet*.