Perhaps you should try some spelling variations:
phan khoa » pham khoa, nhan khoa, phan hoa
tuan phan » luan phan, toan phan, tuan pham
thu canh » thuc hanh, thu cong, thu ban
thu hang » thi hang, thuc hanh, thu huong
hoc phan » hoc dan, hoc pho
khoa hoc » hoa hoc
van tuan » van quan, van ban, anh tuan
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu canh) or (thu hang)) hoc tap, nghien cuu mon hoc phan khoa hoc xa hoi van tuan phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu canh) OR (thu hang)) hoc tap, nghien cuu mon hoc phan khoa hoc xa hoi van tuan phan.
• Adding a wildcard symbol may retrieve word variants: ((thu canh) or (thu hang)) hoc tap, nghien cuu mon hoc phan khoa hoc xa hoi van tuan phan*.