Perhaps you should try some spelling variations:
thien van » thi van
cau theo » cau thi, cau tao
chat hoc » chat hoa, chat thom, cho hoc
van chat » cao chat
cu tren » tu tren, dua tren
danh di » danh du, xanh di, danh dien
danh vi » hanh vi, dinh vi, danh va
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. thien van chat hoc va ((danh vi) OR (danh di)) ((cu tren) OR (cau theo))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky lang xa hoi. thien van chat hoc va ((danh vi) OR (danh di)) ((cu tren) or (cau theo))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. thien van chat hoc va ((danh vi) OR (danh di)) ((cu tren) or (cau theo))*.