Perhaps you should try some spelling variations:
nghiep va » nghiep vu
nghe nam » nghe lam, nghiep nam, nghe nano
nam danh » nam dinh, nam dan
danh sai » dung sai, danh bat, danh dau
nang ma » tang ma, sang ma, nang cao
thu nam » tu nam, thu nhap, thu nhat
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu san, tu bac
ma hoi » mai hoi, xa hoi, ma 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 sac) OR (tu cac)) ky nang ma hoi. lieu ((nghe nam) or (nghiep va)) thu nam danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky nang ma hoi. lieu ((nghe nam) OR (nghiep va)) thu nam danh sai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu cac)) ky nang ma hoi. lieu ((nghe nam) or (nghiep va)) thu nam danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu cac)) ky nang ma hoi. lieu ((nghe nam) or (nghiep va)) thu nam danh sai cua tre*.