Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
xa thanh » va thanh, ha thanh, ta thanh
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
qua cam » qua cham, qua cac, qua ca
cam tuc » cam xuc, cam tu, nam thuc
van cua » vang cua, ban cua, dan cua
x hoi » xa hoi, o hoi, x ho
o hai » co hai, so hai, o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang ((x hoi) or (o hai)). hieu qua cam tuc xa thanh van cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang ((x hoi) OR (o hai)). hieu qua cam tuc xa thanh van cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang ((x hoi) or (o hai)). hieu qua cam tuc xa thanh van cua triet*.