Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan lap » phan dau
ty hang » ly hang, ty xang, thi hang
van bac » van ban, van hac, dan bac
van bao » van ban, van dao
va phan » van phan, va phat, va phap
ty nang » ky nang, ty xang, ly nang
lap cua » lai cua, tap cua, lam cua
tu sach » thu sach, su sach, te sach
dan va » doan va, dan ca, ban va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ty nang) or (ty hang)) x hoi. hieu ((van bac) or (van bao)) dan va phan lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty hang)) x hoi. hieu ((van bac) OR (van bao)) dan va phan lap cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty hang)) x hoi. hieu ((van bac) or (van bao)) dan va phan lap cua triet*.