Perhaps you should try some spelling variations:
thanh gia » thanh gian, thanh giang, thanh nghia
hieu viec » nhieu viec, hieu ve, sieu viet
dua tren » dung tren
dang xay » dang van, van xay
viec cac » vien cac, viec cua, viec lam
luc gia » luoc gia, duc gia, quoc gia
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
cac luc » cau luc, coc luc, cac nuoc
cua tre » cuu tre, cua triet, cua thep
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
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: vu sac ky dang xay hoi. hieu viec cac luc gia thanh gia ((((cua tre) OR (dua tren))) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky dang xay hoi. hieu viec cac luc gia thanh gia ((((cua tre) OR (dua tren))) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky dang xay hoi. hieu viec cac luc gia thanh gia ((((cua tre) OR (dua tren))) or (cua te))*".