Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
hieu hien » bieu hien, dieu hien, chieu chien
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
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 xa » nang x, lang xa, nang ma
luu tre » luu tru, cuu tre, luy tre
cac tu » cac thu, cach tu, cac du
tu van » tu va
vi luu » vi lua

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 xa hoi. ((nhieu viec) or (hieu hien)) cac tu van thanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. ((nhieu viec) OR (hieu hien)) cac tu van thanh vi luu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. ((nhieu viec) or (hieu hien)) cac tu van thanh vi luu tre*.