Perhaps you should try some spelling variations:
trinh luyen » trinh tuyen, trinh nguyen, trinh luan
tren luyen » tien quyen, tre tuyen, truyen huyen
kip trinh » lap trinh, kha trinh, p trinh
luyen ky » truyen ky, luyen de
nang mem » nang ma
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 kip ((tren luyen) OR (ren luyen)) ky nang mem. Đo tuoi 7-15 ) or ( bo bi kip trinh luyen ky nang mem. Đo tuoi 7-15 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bo bi kip ((tren luyen) OR (ren luyen)) ky nang mem. Đo tuoi 7-15 ) OR ( bo bi kip trinh luyen ky nang mem. Đo tuoi 7-15 )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bo bi kip ((tren luyen) OR (ren luyen)) ky nang mem. Đo tuoi 7-15 ) or ( bo bi kip trinh luyen ky nang mem. Đo tuoi 7-15 ))".
• Adding a wildcard symbol may retrieve word variants: (( bo bi kip ((tren luyen) OR (ren luyen)) ky nang mem. Đo tuoi 7-15 ) or ( bo bi kip trinh luyen ky nang mem. Đo tuoi 7-15 ))*.