Perhaps you should try some spelling variations:
khien tinh » thien tinh, khien thich, bien tinh
hien tinh » thien tinh, bien tinh, dien tinh
hanh manh » hanh mang, lanh manh, hoang manh
cua trong » cua truong, cua trung, qua trong
cong doan » cong hoan, dong doanh, cong san
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien tinh) OR (khien tinh)) - hanh manh cua trong ((cong doan) or (cong dan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien tinh) OR (khien tinh)) - hanh manh cua trong ((cong doan) OR (cong dan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien tinh) OR (khien tinh)) - hanh manh cua trong ((cong doan) or (cong dan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien tinh) OR (khien tinh)) - hanh manh cua trong ((cong doan) or (cong dan)) phan cau*.