Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
mang cua » manh cua, dung cua, ban cua
gian ta » gian tay, gian tra, gian tam

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (hieu lang)) - hanh mang cua ((hang cong) OR (hang nong)) dan gian ta~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (hieu lang)) - hanh mang cua ((hang cong) OR (hang nong)) dan gian ta.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (hieu lang)) - hanh mang cua ((hang cong) OR (hang nong)) dan gian ta".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (hieu lang)) - hanh mang cua ((hang cong) OR (hang nong)) dan gian ta*.