Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
luc nhanh » luc nhan, luc nganh, luc canh
luan luan » quan luan, luan luong, luan hoan
toc sach » hoc sach, doc sach, thuoc sach
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
khoa hoc » hoa hoc
hai luan » thai luan, khai luan, 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: ((te sach) OR (toc sach)) hoc tap, nghien cuu dong luc nhanh khoa hoc xa hai luan luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) hoc tap, nghien cuu dong luc nhanh khoa hoc xa hai luan luan van".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) hoc tap, nghien cuu dong luc nhanh khoa hoc xa hai luan luan van*.