Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
cong doan » cong hoan, dong doanh, cong san
cho dieu » cao dieu, co dieu, khoa dieu
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong san, cong tan, huong dan
phan tap » phan lap, han tap, pha tap
ho diep » hong diep
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho diep) OR (cho dieu)) tinh - hanh trinh va dung ((cong doan) or (cong dan)) phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho diep) OR (cho dieu)) tinh - hanh trinh va dung ((cong doan) OR (cong dan)) phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho diep) OR (cho dieu)) tinh - hanh trinh va dung ((cong doan) or (cong dan)) phan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho diep) OR (cho dieu)) tinh - hanh trinh va dung ((cong doan) or (cong dan)) phan tap*.