Perhaps you should try some spelling variations:
thi cham » thi hai, toc cham, thi ha
cuu tre » cua tre, cau tren, cau treo
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
ve cham » va cham, ve chat, ve chim
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
vu cham » va cham, vu kham, tu cham
vi cuu » vi luu, vinh cuu
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky lang ha hoi. hieu ((((ve cham) OR (vu cham))) or (thi cham)) hoc va danh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky lang ha hoi. hieu ((((ve cham) OR (vu cham))) OR (thi cham)) hoc va danh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky lang ha hoi. hieu ((((ve cham) OR (vu cham))) or (thi cham)) hoc va danh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky lang ha hoi. hieu ((((ve cham) OR (vu cham))) or (thi cham)) hoc va danh vi cuu tre*.