Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
hanh tai » thanh tai, hang tai, han tai
sach thu » sach thue, sach thieu, sach tham
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
xach tay » canh tay
tai cuu » tai cuc, tai buu, tai cua
viec da » viec dat, vien da, viec va
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((xach tay) or (sach thu)) dang cay phoi. hieu viec da ((xuc va) or (tuc va)) hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xach tay) OR (sach thu)) dang cay phoi. hieu viec da ((xuc va) OR (tuc va)) hanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((xach tay) or (sach thu)) dang cay phoi. hieu viec da ((xuc va) or (tuc va)) hanh tai cuu tre*.