Perhaps you should try some spelling variations:
thi cham » thi hai, toc cham, thi ha
dia danh » dia ban, gia dinh
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
tu cham » toc cham
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
cai ky » cao ky, cac ky, cam ky
tu cai » tu cac, tu can, tu bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cai ky tang xa hoi. hieu ((tu cham) OR (thi cham)) luc ((va danh) or (dia danh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky tang xa hoi. hieu ((tu cham) OR (thi cham)) luc ((va danh) OR (dia danh)) dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cai ky tang xa hoi. hieu ((tu cham) OR (thi cham)) luc ((va danh) or (dia danh)) dai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu cai ky tang xa hoi. hieu ((tu cham) OR (thi cham)) luc ((va danh) or (dia danh)) dai cua tre*.