Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
phan chong » phan cong, phan hong, phap chong
chong hoc » chung hoc, chong doc, thong hoc
sach hoc » cach hoc, sach hoi, mach hoc
hoc phan » hoc dan, hoc pho
nhan van » nhan va, phan van, nha van
nhan dan » phan dau, gian dan, nhan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai tan » hai van, hai quan
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach hoc tap, nghien cuu mon hoc phan chong hoc xa hai tan ((nhan van) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach hoc tap, nghien cuu mon hoc phan chong hoc xa hai tan ((nhan van) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: thuat sach hoc tap, nghien cuu mon hoc phan chong hoc xa hai tan ((nhan van) or (nhan dan))*.