Perhaps you should try some spelling variations:
nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
thuc cong » thuoc cong, thu cong, chuc cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chuc hang » chuc nang, chuc hanh, phuc hang
hach hoc » cach hoc, mach hoc, hoach hoi
coc danh » hoc danh, cuon danh, cong danh
hang tai » hang va, dung tai
tu hach » tu hanh, tu cach, tu sach
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 hach hoc tap, nghiep thuc cong ((coc danh) or (chuc danh)) hoa hoc xa hoi chuc hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hach hoc tap, nghiep thuc cong ((coc danh) OR (chuc danh)) hoa hoc xa hoi chuc hang tai.
• Adding a wildcard symbol may retrieve word variants: tu hach hoc tap, nghiep thuc cong ((coc danh) or (chuc danh)) hoa hoc xa hoi chuc hang tai*.