Perhaps you should try some spelling variations:
viec cam » viec lam, viec va, vien cac
dang xay » dang van, van xay
tinh di » tinh doi, trinh di, tinh da
va tinh » may tinh
sach ky » sach y, sach ty, sach kem
xay hoi » xa hoi, tay hoi, cay phoi
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
di cuu » di cau, di cua, dinh cuu

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 (sac ky)) dang xay hoi. nhieu ((viec cam) OR (viec cua)) xuc va tinh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) dang xay hoi. nhieu ((viec cam) OR (viec cua)) xuc va tinh di cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sac ky)) dang xay hoi. nhieu ((viec cam) OR (viec cua)) xuc va tinh di cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) dang xay hoi. nhieu ((viec cam) OR (viec cua)) xuc va tinh di cuu tre*.