Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
cam nhung » cam hung, nam nhung, tham nhung
nhan dan » phan dau, gian dan, nhan tai
ca nhung » cua nhung, va nhung, ca nung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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 tinh) or (chieu sach)) - nhan dan ((ca nhung) OR (cam nhung)) cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sach)) - nhan dan ((ca nhung) OR (cam nhung)) cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (chieu sach)) - nhan dan ((ca nhung) OR (cam nhung)) cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sach)) - nhan dan ((ca nhung) OR (cam nhung)) cong tan toan tap*.