Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
phan cau » phan dau, phan tu, toan cau
phan lap » phan dau
phan cac » nhan cach, phan dau, phan van

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 manh - hanh trinh cua thong cong san ((((phan cau) OR (phan lap))) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh trinh cua thong cong san ((((phan cau) OR (phan lap))) OR (phan cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - hanh trinh cua thong cong san ((((phan cau) OR (phan lap))) or (phan cac))*".