Perhaps you should try some spelling variations:
thuong tinh » khuong tinh, thuong binh, truong tinh
nhanh chong » thanh cong, khanh phong
nganh cong » thanh cong
thong tinh » thong tin, thong minh, trong tinh
va truyen » hoa truyen, co truyen, di truyen
thu sach » tu sach, thuat sach, thuoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((nganh cong) or (nhanh chong)) nghe ((thong tinh) OR (thuong tinh)) va truyen thong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((nganh cong) OR (nhanh chong)) nghe ((thong tinh) OR (thuong tinh)) va truyen thong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((nganh cong) or (nhanh chong)) nghe ((thong tinh) OR (thuong tinh)) va truyen thong".
• Adding a wildcard symbol may retrieve word variants: thu sach ((nganh cong) or (nhanh chong)) nghe ((thong tinh) OR (thuong tinh)) va truyen thong*.