Perhaps you should try some spelling variations:
coc nganh » hoc nganh, cac nganh, chuc nganh
sach hoi » sach doi, sach moi, cach thoi
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
nang hoc » nang doc, dong hoc, hang hoa
nhan dan » phan dau, gian dan, nhan tai
tu sach » thu sach, su sach, te sach
hoi tap » hoi dap, hoc tap, hoi tai
va nhan » van nhan, ca nhan, va phan
hoa va » hoa van, hoa xa, hoa vo

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoi tap, nghien cuu cong coc nganh ((nang hoc) OR (nang luc)) ma hoa va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi tap, nghien cuu cong coc nganh ((nang hoc) OR (nang luc)) ma hoa va nhan dan*".