Perhaps you should try some spelling variations:
luc nhanh » luc nhan, luc nganh, luc canh
nhanh hoa » nhanh hoan, thanh hoa, khanh hoa
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
van nhan » van thanh, danh nhan, van khanh
van phan » van phong, van thanh, luan phan
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: thu mach hoc tap, nghien cuu dong luc nhanh hoa hoc xa hai ((van nhan) OR (van phan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu mach hoc tap, nghien cuu dong luc nhanh hoa hoc xa hai ((van nhan) OR (van phan)) van".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu dong luc nhanh hoa hoc xa hai ((van nhan) OR (van phan)) van*.