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
phan van » pham van, thanh van, luan 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)) phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu mach hoc tap, nghien cuu dong luc nhanh hoa hoc xa ((hai van) OR (thai 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) or (thai van)) phan van*.