Perhaps you should try some spelling variations:
hoc thanh » hoc nhanh, hoan thanh, hoc phan
thanh don » thanh dong, thanh son, thanh do
don thuoc » dong thuoc, dung thuoc, dang thuoc
thu sach » tu sach, thuat sach, thuoc sach
sach hoi » sach doi, sach moi, cach thoi
thuoc ma » hoc ma, duoc ma
phan van » pham van, thanh van, tran van
hoi tap » hoi dap, hoc tap, hoi tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
ma hoi » mai hoi, xa hoi, ma hoa
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoi tap, nghien cuu mon hoc thanh don thuoc ma hoi va ((phan van) OR (luan van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoi tap, nghien cuu mon hoc thanh don thuoc ma hoi va ((phan van) OR (luan van))".
• Adding a wildcard symbol may retrieve word variants: thu sach hoi tap, nghien cuu mon hoc thanh don thuoc ma hoi va ((phan van) OR (luan van))*.