Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
ho chiet » ho chieu, ho thiet, hoc thiet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - hanh trinh quan dung cong manh ((toan ban) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh trinh quan dung cong manh ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trinh quan dung cong manh ((toan ban) OR (van ban))*.