Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
bang dieu » dang dieu, sang dieu, bang kieu
dieu cua » dieu tra
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
viec va » vien va, viec cua, viec lam
ra bang » va bang, ba bang, xa bang
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
va tuc » va thuc, va tu, va tac
tuc ra » tuc xa, tuc va, tuc ha

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 ty nang ma hoi. hieu viec va tuc ra bang dieu cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ma hoi. hieu viec va tuc ra bang dieu cua tre*.