Perhaps you should try some spelling variations:
cho doanh » hoa doanh
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
tang qua » tang quan, tang cua, tang quy
qua dung » quang dung, su dung, qua song
cong tac » cong ty
phat tap » phan tap, pham tai, phat am
pha tap » pham tai

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 doanh) or (cho sinh)) - hanh tang qua dung cong tac ((phat tap) OR (pha tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cao ((cho doanh) OR (cho sinh)) - hanh tang qua dung cong tac ((phat tap) OR (pha tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cao ((cho doanh) or (cho sinh)) - hanh tang qua dung cong tac ((phat tap) OR (pha tap))".
• Adding a wildcard symbol may retrieve word variants: cao ((cho doanh) or (cho sinh)) - hanh tang qua dung cong tac ((phat tap) OR (pha tap))*.