Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
hiem ngan » kim ngan, viem gan
hieu manh » chieu xanh, hieu nganh, dieu hanh
trong ung » trong rung, trong dung, trong hung
dung cong » dung trong
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hiem ngan) or (hieu manh)) - hanh trong ung dung cong san ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hiem ngan) OR (hieu manh)) - hanh trong ung dung cong san ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doc ((hiem ngan) or (hieu manh)) - hanh trong ung dung cong san ((toan cau) or (toan cao))*.