Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec chao » viec cho, viec cua, viec bao
ban hanh » ban hang
sach ky » sac ky, sach ty, sach kem
ma hoi » mai hoi, ma hoa, me hoi
xu ban » xuc ban, tu ban, vu ban
vi cua » vai cua, di cua
cua te » cua tu

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 ky) or (sach y)) nang ((ma hoi) or (xa hoi)). hieu viec chao xu ban hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang ((ma hoi) OR (xa hoi)). hieu viec chao xu ban hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang ((ma hoi) or (xa hoi)). hieu viec chao xu ban hanh vi cua te*.