Perhaps you should try some spelling variations:
nang thuong » hang thuong, nang truong, dang thuong
thuong ngay » thuong gap, thuong ngo, truong ngoai
ngay cong » ngay song, nganh cong, ngoai cong
cuu nang » chuc nang, cam nang, cuu van
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan va, phan van, nha van
nhan dan » phan dau, gian dan, nhan tai
ke sinh » ve sinh, ky sinh, ki sinh
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: ke sinh hoc tap, nghien cuu nang thuong ngay cong hoc xa hoi dap ((nhan van) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke sinh hoc tap, nghien cuu nang thuong ngay cong hoc xa hoi dap ((nhan van) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: ke sinh hoc tap, nghien cuu nang thuong ngay cong hoc xa hoi dap ((nhan van) or (nhan dan))*.