Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
nong cua » dong cua, song cua, long cua
cong cua » cong cu, dong cua, huong cua
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - nganh ((nong cua) or (cong cua)) nhung cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - nganh ((nong cua) OR (cong cua)) nhung cong van tuan ban*.