Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » tuong cua, dung cua, tang cua
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh ((tung cua) or (trung cua)) ((nhung cong) OR (thong cong)) tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung cua) OR (trung cua)) ((nhung cong) OR (thong cong)) tan than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((tung cua) or (trung cua)) ((nhung cong) OR (thong cong)) tan than cap*".