Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhieu tang » hieu lang, nhiet nang
hieu manh » chieu xanh, hieu nganh, dieu hanh
anh trong » anh thuong, dinh trong, lang trong
dung cong » dung trong
trong su » trong san, trong thu, trong qua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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: ho ((hieu manh) or (((chieu sang) or (nhieu tang)))) - anh trong su dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((chieu sang) OR (nhieu tang)))) - anh trong su dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((chieu sang) or (nhieu tang)))) - anh trong su dung cong tac toan cau*.