Perhaps you should try some spelling variations:
tien quyen » vien huyen, vien tuyen
tren luyen » ren luyen, trinh luyen, tre tuyen
quyen ky » truyen ky, quyen su, quyen 1
kip tien » kim tien, khap tien, kiem tien
app tren » lap tren, lop tren, tap tren
luyen ky » truyen ky, luyen de
nang ma » tang ma, sang ma, nang cao
bi app » mobi app
tuoi 7 » tuoi 1
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 app tren luyen ky ((nang mem) OR (nang ma)). Đo tuoi 7-15 ) or ( bo bi kip tien quyen ky ((nang mem) OR (nang ma)). Đo tuoi 7-15 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bo bi app tren luyen ky ((nang mem) OR (nang ma)). Đo tuoi 7-15 ) OR ( bo bi kip tien quyen ky ((nang mem) OR (nang ma)). Đo tuoi 7-15 ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bo bi app tren luyen ky ((nang mem) OR (nang ma)). Đo tuoi 7-15 ) or ( bo bi kip tien quyen ky ((nang mem) OR (nang ma)). Đo tuoi 7-15 ))*".