Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
tieu sach » chieu sach, te sach, viet sach
dien sach » dien anh
dung cong » dung trong
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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) OR (dien sach)) - anh nang cua ((nhung cong) or (dung cong)) dan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sach) OR (dien sach)) - anh nang cua ((nhung cong) OR (dung cong)) dan than man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu sach) OR (dien sach)) - anh nang cua ((nhung cong) or (dung cong)) dan than man".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu sach) OR (dien sach)) - anh nang cua ((nhung cong) or (dung cong)) dan than man*.