Perhaps you should try some spelling variations:
kin tren » dinh tren, gian tren, sinh tren
luyen de » chuyen de
nang mem » nang ma
luyen ky » truyen ky
gi tren » gai tren, gian tren, ngoi tren
tuoi 7 » tuoi 1
bi kin » bi kip, bai kinh
bi gi » bi gia, bi di
bo bi » bao bi, bo bai, bot bi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( bo bi gi tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ) or ( bo bi kin tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bo bi gi tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ) OR ( bo bi kin tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bo bi gi tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ) or ( bo bi kin tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ))".
• Adding a wildcard symbol may retrieve word variants: (( bo bi gi tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ) or ( bo bi kin tren ((luyen ky) OR (luyen de)) nang mem. Đo tuoi 7-15 ))*.