Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tran trong » gian trong, quan trong, tran hong
trong tac » trong cac, tuong tac, trong tan
dung cong » dung trong
tac dung » sach dung, xay dung, tin dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - tran trong tac dung cong tac toan ban~.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - tran trong tac dung cong tac toan ban*.