Perhaps you should try some spelling variations:
ngan khong » nganh khong, nhan khong, ngan hang
khong hoc » khung hoc, thong hoc, khong thuoc
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu cong » cua cong, thu cong, cac cong
cong luc » dong luc, cong suc, cong duc
luc ngan » luc nganh, luc nhan, luat ngan
cac phan » cac nhan, cao phan, cap phan
phan van » pham van, thanh van, luan van
anh hoc » sinh hoc, benh hoc, anh khoa
hoc cac » hoc cao
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((anh hoc) or (hinh hoc)) tap, nghien cuu cong luc ngan khong hoc xa hoc cac phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((anh hoc) OR (hinh hoc)) tap, nghien cuu cong luc ngan khong hoc xa hoc cac phan van.
• Adding a wildcard symbol may retrieve word variants: tu ((anh hoc) or (hinh hoc)) tap, nghien cuu cong luc ngan khong hoc xa hoc cac phan van*.