Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
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 ((xa hoi) or (o hai)). hieu va cam xuc va thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang ((xa hoi) OR (o hai)). hieu va cam xuc va thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang ((xa hoi) or (o hai)). hieu va cam xuc va thanh dai cua triet*.