Perhaps you should try some spelling variations:
trong quan » thong quan, tong quan, thong quang
quan phan » quang phan, luan phan, qua phan
chi sach » chinh sach, chieu sach, co sach
tranh va » tranh van, trang va, thanh va
trinh va » trinh van, trinh vat, trinh ve
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - canh ((tranh va) or (trinh va)) dung trong quan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - canh ((tranh va) OR (trinh va)) dung trong quan phan cac.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - canh ((tranh va) or (trinh va)) dung trong quan phan cac*.