Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
y dang » 2 dang, _ dang, b dang
ve cam » ve cham, ve cac, va cam
luc va » duc va, tuc va, loc 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 ((y dang) OR (ky dang)) xa hoi. hieu ve cam luc va hanh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y dang) OR (ky dang)) xa hoi. hieu ve cam luc va hanh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y dang) OR (ky dang)) xa hoi. hieu ve cam luc va hanh vi ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((y dang) OR (ky dang)) xa hoi. hieu ve cam luc va hanh vi ((cua tre) or (cua triet))*.