Perhaps you should try some spelling variations:
dung cong » dung trong
cho xanh » cho doanh, cho thanh, cho hang
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cao ((cho xanh) or (cho sinh)) - hanh ((tang cua) OR (hang cua)) dung cong tac phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao ((cho xanh) OR (cho sinh)) - hanh ((tang cua) OR (hang cua)) dung cong tac phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao ((cho xanh) or (cho sinh)) - hanh ((tang cua) OR (hang cua)) dung cong tac phan tap".
• Adding a wildcard symbol may retrieve word variants: cao ((cho xanh) or (cho sinh)) - hanh ((tang cua) OR (hang cua)) dung cong tac phan tap*.