Perhaps you should try some spelling variations:
hieu viec » nhieu viec, sieu viet, hieu hien
ban hanh » ban hang
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
chao tu » chao xu, cho tu, cao tu
sach ky » sac ky, sach ty, sach kem
vi cua » vai cua, di cua
tu ban » thu ban, te ban
ma hoi » mai hoi, xa hoi, ma hoa
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. ((hieu viec) OR (hieu ve)) chao tu 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. ((hieu viec) OR (hieu ve)) chao tu ban hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sach y)) nang ma hoi. ((hieu viec) OR (hieu ve)) chao tu ban hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang ma hoi. ((hieu viec) OR (hieu ve)) chao tu ban hanh vi cua te*.