Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
luc nhanh » luc nhan, luc nganh, luc canh
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
khoa hoc » hoa hoc
van phan » van phong, van thanh, luan phan
phan van » pham van, thanh van, luan van
ma hai » ta hai, va hai, manh hai
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 khoa hoc ((ma hai) OR (xa hai)) 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 khoa hoc ((ma hai) OR (xa hai)) van phan van".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu dong luc nhanh khoa hoc ((ma hai) OR (xa hai)) van phan van*.