Perhaps you should try some spelling variations:
viec lam » viec va
viec cam » viec cua, viec va, vien cac
te sach » toc sach
tinh te » kinh te, tinh tu, tinh he
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky danh
xuc va » duc va, tuc va, luc va
te cua » tue cua, le cua, de cua

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

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