Perhaps you should try some spelling variations:
phan chung » phan cung, phan hung, phan thuong
chung hoc » trung hoc, dung hoc, hung hoa
hoa thanh » hoan thanh, ha thanh, hoc thanh
thoi tap » toi tap, thoi dai, hoi tai
hoc phan » hoc dan, hoc pho
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
san dan » sanh dan, shan dan, ban dan

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 ((thoi tap) OR (hoc tap)), nghien cuu mon hoc phan chung hoc ma hoa thanh san dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach ((thoi tap) OR (hoc tap)), nghien cuu mon hoc phan chung hoc ma hoa thanh san dan".
• Adding a wildcard symbol may retrieve word variants: tu cach ((thoi tap) OR (hoc tap)), nghien cuu mon hoc phan chung hoc ma hoa thanh san dan*.