Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
hanh trinh » canh tranh, hanh chinh
luong doan » long doan, luong quan, luong dien
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
trinh va » trinh van, trinh vat, trinh ve
phan cau » phan dau, phan cac, 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: hoc hieu manh - hanh trinh va thuong ((luong doan) OR (phuong doan)) ((phan cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh va thuong ((luong doan) OR (phuong doan)) ((phan cau) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - hanh trinh va thuong ((luong doan) OR (phuong doan)) ((phan cau) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh va thuong ((luong doan) OR (phuong doan)) ((phan cau) or (phan tu))*.