Perhaps you should try some spelling variations:
coc thanh » cuoc thanh, hoc thanh, cac thanh
thanh hoa » thanh pho
hanh noi » ha noi, hanh vi, nang noi
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
phan van » pham van, thanh van, luan van
tu hanh » du hanh, lu hanh, thuc hanh
noi tap » toi tap, ngoai tap, noi tiep
va phan » van phan, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hanh noi tap, nghien cuu cong coc thanh hoa ((hoc xa) OR (hoc ma)) hoi va phan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hanh noi tap, nghien cuu cong coc thanh hoa ((hoc xa) OR (hoc ma)) hoi va phan van".
• Adding a wildcard symbol may retrieve word variants: tu hanh noi tap, nghien cuu cong coc thanh hoa ((hoc xa) OR (hoc ma)) hoi va phan van*.