Perhaps you should try some spelling variations:
trong tan » trong quan, trong cac, trong ca
doi hieu » doi chieu, doi hien, hoi hieu
doc hieu » toc thieu, hoc thieu, hoc hien
van hanh » van thanh, ban hanh, van anh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
vi dung » va dung, vi ung, vi dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi hieu) OR (doc hieu)) lang - van hanh vi dung trong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi hieu) OR (doc hieu)) lang - van hanh vi dung trong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((doi hieu) OR (doc hieu)) lang - van hanh vi dung trong tan toan cau*.