Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
thuat sach » thuat lanh, thuat san
khong hoc » khung hoc, thong hoc, khong thuoc
sach moi » sach doi, sach hoi, bach mai
moi tai » hoi tai, mo tai, moi thoi
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau
dong » cong, dung

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 moi tai, nghien cuu ((mon hoc) or (dong co)) nganh khong hoc xa hoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach moi tai, nghien cuu ((mon hoc) OR (dong co)) nganh khong hoc xa hoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: thuat sach moi tai, nghien cuu ((mon hoc) or (dong co)) nganh khong hoc xa hoi ca nhan va*.