Perhaps you should try some spelling variations:
nghiep va » nghiep vu
nghe nano » nghe dan, nghe san, nghe nhan
danh bat » doanh bat, anh bai, dinh ba
danh sai » dung sai, danh dau, hanh san
thu nam » tu nam, thu nhap, thu nhat
cua tre » cua te, cuu tre, cua triet
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
tu sac » tu sach, tu cac, tu san

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 ky tang ma hoi. lieu ((nghe nano) or (nghiep va)) thu nam ((danh sai) or (danh bat)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang ma hoi. lieu ((nghe nano) OR (nghiep va)) thu nam ((danh sai) OR (danh bat)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ma hoi. lieu ((nghe nano) or (nghiep va)) thu nam ((danh sai) or (danh bat)) cua tre*.