Perhaps you should try some spelling variations:
phan chong » phan cong, phan hong, phap chong
sach duoc » sach nuoc, sach dao, sach dung
chong hoc » chung hoc, chong doc, thong hoc
sach hoi » sach doi, sach moi, cach thoi
hoc phan » hoc dan, hoc pho
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va phap » va phat, ban phap
phap va » phap vat, pham va, pham 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 ((sach duoc) or (sach hoi)) tap, nghien cuu mon hoc phan chong hoc xa hoi va phap va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach duoc) OR (sach hoi)) tap, nghien cuu mon hoc phan chong hoc xa hoi va phap va.
• Adding a wildcard symbol may retrieve word variants: thu ((sach duoc) or (sach hoi)) tap, nghien cuu mon hoc phan chong hoc xa hoi va phap va*.