Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
cua tre » cua te, cuu tre, dua tren
cac xuc » cam xuc, cac nuoc, chat xuc
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) ky dang xay hoi. hieu ve cac xuc va thanh dai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky dang xay hoi. hieu ve cac xuc va thanh dai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ky dang xay hoi. hieu ve cac xuc va thanh dai ((cua tre) or (cua triet))*.