Perhaps you should try some spelling variations:
ky trong » ly trong, ke trong, ky thuong
chat xuc » chat huu, cam xuc, chat cua
tu sach » thu sach, su sach, te sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
van hoc » van hoa
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ky trong) OR (cay trong)) van hoc. hieu va ((chat xuc) or (chao xu)) va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky trong) OR (cay trong)) van hoc. hieu va ((chat xuc) OR (chao xu)) va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky trong) OR (cay trong)) van hoc. hieu va ((chat xuc) or (chao xu)) va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky trong) OR (cay trong)) van hoc. hieu va ((chat xuc) or (chao xu)) va danh vi cua te*.