Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
hoc dien » hoc hien, hoc vien, hoc dieu
dien dan » hien dai, vien dai, gian dan
trinh va » trinh van, trinh vat, trinh ve
va dung » van dung, va duong, vat dung
van cau » van dau, van chat, toan cau
van hau » van ha, van hai, van 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 dien dan - hanh trinh va dung cong luan ((van cau) OR (van hau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dien dan - hanh trinh va dung cong luan ((van cau) OR (van hau))".
• Adding a wildcard symbol may retrieve word variants: hoc dien dan - hanh trinh va dung cong luan ((van cau) OR (van hau))*.