Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
manh toan » thanh toan, anh tuan
gian dan » gian lang
cua dung » cua dang, cua dong, qua dung
dan cua » dan ca, ban cua, dai cua

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)) - gian dan cua dung cong ((manh toan) or (tinh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (hieu lang)) - gian dan cua dung cong ((manh toan) OR (tinh toan)) ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (hieu lang)) - gian dan cua dung cong ((manh toan) or (tinh toan)) ban*.