Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat dung » suat dung, luat chung, luat quang
dung cong » dung trong
doi hieu » doi chieu, doi hien, hoi hieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 - hanh trinh luat dung cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi hieu) OR (doc hieu)) lang - hanh trinh luat dung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: ((doi hieu) OR (doc hieu)) lang - hanh trinh luat dung cong tac toan tap*.