Perhaps you should try some spelling variations:
tuan phan » luan phan, toan phan, tuan pham
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong soc » cong so, cong suc, cong coc
thai van » thi van, thanh van, thai vung
van tuan » van quan, van ban, anh tuan
tu cach » tu cac
xa thai » ca thai, a thai, da thai
hoc xa » hoc ma
toan » tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu cong soc ((doanh khoa) or (toan khoa)) hoc xa thai van tuan phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu cong soc ((doanh khoa) OR (toan khoa)) hoc xa thai van tuan phan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu cong soc ((doanh khoa) or (toan khoa)) hoc xa thai van tuan phan*.