Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, hang tai, hinh tai
chat xuc » chat huu, cam xuc, chao xu
toc sach » hoc sach, doc sach, thuoc sach
nang ho » nang hoc, nang co, tang ho
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
xuc van » duc van, luc van, vuc van
han tai » hang tai, nhan tai, van tai
va chat » van chat, va phat, cao chat
nang o » nang co, nang ro, nang x

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty ((nang o) OR (nang ho)) hoi. hieu va chat xuc van ((hanh tai) or (han tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty ((nang o) OR (nang ho)) hoi. hieu va chat xuc van ((hanh tai) OR (han tai)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty ((nang o) OR (nang ho)) hoi. hieu va chat xuc van ((hanh tai) or (han tai)) cua triet*".