Perhaps you should try some spelling variations:
phan dang » phan dau, phan cong, nhan dan
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cong hoc » dong hoc, cong hoa, cong coc
mot hoc » mo hoc, mot goc, bot hoc
mon hoc » toan hoc, dong hoc
va phan » van phan, va phat, va phap
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 mach hoc tap, nghien cuu ((mot hoc) OR (mon hoc)) thanh cong hoc xa hoi va phan dang~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu mach hoc tap, nghien cuu ((mot hoc) OR (mon hoc)) thanh cong hoc xa hoi va phan dang".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu ((mot hoc) OR (mon hoc)) thanh cong hoc xa hoi va phan dang*.