Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thuc nhung » phuc nhung, thu nhung, thuc chung
cong thang » cong thanh, cang thang, cong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
toan thuc » toan hoc, dan thuc, nhan thuc
cong than » cong thanh, cong thai, cong nhan
nhan cach » phan cac
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - tinh toan thuc nhung ((((cong than) or (cong thang))) or (cong tan)) nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - tinh toan thuc nhung ((((cong than) OR (cong thang))) OR (cong tan)) nhan cach.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - tinh toan thuc nhung ((((cong than) or (cong thang))) or (cong tan)) nhan cach*.