Perhaps you should try some spelling variations:
quan trong » gian trong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
toc hieu » toc thieu, doc hieu, hoc thieu
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: toc hieu manh - ((hanh tang) OR (hanh mang)) quan trong cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc hieu manh - ((hanh tang) OR (hanh mang)) quan trong cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - ((hanh tang) OR (hanh mang)) quan trong cong tac toan tap*.