Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan chat » van chat, tao chat, ban chat
chat ban » nhat ban, chat ran, cua 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 - hanh ((((truong cao) OR (truong dai))) or (truong quan)) trong cong tan chat ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((truong cao) OR (truong dai))) OR (truong quan)) trong cong tan chat ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((((truong cao) OR (truong dai))) or (truong quan)) trong cong tan chat ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((truong cao) OR (truong dai))) or (truong quan)) trong cong tan chat ban*.