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
thai van » thi van, thanh van, thai vung
nhan van » nhan dan, nhan va, phan van
hai van » ha van, hai tan, hao van
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: thu mach hoc tap, nghien cuu dong luc nhanh hoa hoc xa ((hai van) OR (thai van)) nhan 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) OR (thai van)) nhan van".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu dong luc nhanh hoa hoc xa ((hai van) OR (thai van)) nhan van*.