Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
dang xay » dang van, van xay
ve cham » va cham, ve chat, vu cham
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
xuc ca » xuc cam, xuc cua
ca dan » cac dan, ca dao
dan di » danh di, dan da, dan de
di cua » dai cua, doi cua, de cua
ve cam » ve cac, va cam, ve cai

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 cam) or (ve cham)) xuc ca dan di 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 cam) OR (ve cham)) xuc ca dan di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ky dang xay hoi. hieu ((ve cam) or (ve cham)) xuc ca dan di cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ky dang xay hoi. hieu ((ve cam) or (ve cham)) xuc ca dan di cua triet*.