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
thanh toan » thanh hoa, thanh san, tinh toan
manh tung » manh hung, thanh tung
hoa sinh » cho sinh
tung cua » trung cua, tuong cua, dung cua
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: ho ((chieu sach) or (hoa sinh)) - manh tung cua ((nhung cong) OR (thong cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hoa sinh)) - manh tung cua ((nhung cong) OR (thong cong)) thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (hoa sinh)) - manh tung cua ((nhung cong) OR (thong cong)) thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hoa sinh)) - manh tung cua ((nhung cong) OR (thong cong)) thanh toan ban*.