Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
luong doan » phuong doan, luong quan, luong dien
hoc thieu » toc thieu, hoc hien
long doan » cong doan, dong doanh, rong doanh
trinh va » trinh van, trinh vat, trinh ve
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh trinh va thuong ((luong doan) OR (long doan)) ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh va thuong ((luong doan) OR (long doan)) ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh va thuong ((luong doan) OR (long doan)) ((phan cau) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh va thuong ((luong doan) OR (long doan)) ((phan cau) or (phan dau))*.