Perhaps you should try some spelling variations:
thanh gia » thanh gian, thanh giang, thanh nghia
vien cac » vien bach, vien dai, gian cac
cuu tre » cau tren, cau treo
dac gia » tac gia, duc gia, dau gia
cua tre » cua te, cua triet, dua tren
vien da » vien dai, hien dai
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
vu sac » vu sach, vu san, va sac

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 lang xa hoi. hieu ((vien cac) OR (vien da)) dac gia thanh gia ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky lang xa hoi. hieu ((vien cac) OR (vien da)) dac gia thanh gia ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky lang xa hoi. hieu ((vien cac) OR (vien da)) dac gia thanh gia ((cua tre) or (cuu tre))*".