Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
quan trong » gian trong
hanh mang » nhanh mang, hanh trang, nhanh lang
mang quan » nang quan, tang quan, hang quan
cong tac » cong ty
toan tap » toan ban
toan cao » 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 thieu xanh - hanh mang quan trong cong tac ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh mang quan trong cong tac ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh mang quan trong cong tac ((toan tap) or (toan cao))*.