Perhaps you should try some spelling variations:
phan chong » phan cong, phan hong, phap chong
chong hoc » chung hoc, chong doc, thong hoc
toc mach » toc sach, hoc mac, tim mach
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, luu dong
cuu long » cuu cong, cuu tong, cuu nang
hoc phan » hoc dan, hoc pho
va luan » vay luan, van luan, va quan
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: toc mach hoc tap, nghien ((cuu dong) OR (cuu long)) hoc phan chong hoc xa hoi va luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc mach hoc tap, nghien ((cuu dong) OR (cuu long)) hoc phan chong hoc xa hoi va luan van".
• Adding a wildcard symbol may retrieve word variants: toc mach hoc tap, nghien ((cuu dong) OR (cuu long)) hoc phan chong hoc xa hoi va luan van*.