Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan hung » luan chung, lan hung, luan ung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tam » cong tac, cong tan, dong tam
cong nam » dong nam, uong nam, thong nam
toan cao » toan ban, toan tap

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 - hanh trinh luan hung ((cong tam) OR (cong nam)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh luan hung ((cong tam) OR (cong nam)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh luan hung ((cong tam) OR (cong nam)) toan cao*.