Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
nhan viet » nhan vien, han viet, nhin viet
vang cua » mang cua, hang cua, tang cua
va trinh » van trinh, va tinh, lap trinh
cac xuc » cam xuc, cac nuoc, chat xuc
van cua » ban cua, dan cua, nan cua
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa

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 y nang ma hoi. ((hieu viec) or (nhan viet)) cac xuc va trinh ((van cua) OR (vang cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. ((hieu viec) OR (nhan viet)) cac xuc va trinh ((van cua) OR (vang cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ma hoi. ((hieu viec) or (nhan viet)) cac xuc va trinh ((van cua) OR (vang cua)) tre*".