Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
cong doan » cong dan, cong hoan, dong doanh
trinh he » trinh han, trinh hoa, trinh thi
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

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