Perhaps you should try some spelling variations:
nang chuc » nang thuc, nang phuc, nang luc
chuc hang » chuc nang, chuc hanh, phuc hang
cuu nang » chuc nang, cam nang, cuu van
hang hoa » hang khoa, thanh hoa, hang va
cam nhan » ca nhan, cam chan, cam nang
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
su sach » so sach, vu sach
hoi cam » hoi cham, hoi cac, hoi cau
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: ((tu cach) or (su sach)) hoc tap, nghien cuu nang chuc hang hoa hoc xa hoi cam nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) hoc tap, nghien cuu nang chuc hang hoa hoc xa hoi cam nhan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) hoc tap, nghien cuu nang chuc hang hoa hoc xa hoi cam nhan dan*.