Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nuoc sach » nguoi sach, hoc sach, cuoc cach
tranh cua » doanh cua
toc sach » hoc sach, doc sach, thuoc sach
manh cua » doanh cua, ban cua
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van 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 ((toc sach) or (nuoc sach)) - canh ((tranh cua) OR (manh cua)) thong cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((toc sach) OR (nuoc sach)) - canh ((tranh cua) OR (manh cua)) thong cong van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((toc sach) or (nuoc sach)) - canh ((tranh cua) OR (manh cua)) thong cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((toc sach) or (nuoc sach)) - canh ((tranh cua) OR (manh cua)) thong cong van toan ban*.