Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, mot chieu
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
vat dung » van dung, va dung, viet dung
cong san » cong tac
san chan » san chang, dan chan, san chay
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (ho chieu)) sach - hanh trinh vat dung cong san chan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) sach - hanh trinh vat dung cong san chan ban".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) sach - hanh trinh vat dung cong san chan ban*.