Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
xa hanh » xa thanh, xa khanh, va hanh
y dang » 2 dang, _ dang, b dang
ve cam » ve cham, ve cac, va cam

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 ((y dang) OR (ky dang)) xa hoi. hieu ve cam tuc xa hanh vi ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y dang) OR (ky dang)) xa hoi. hieu ve cam tuc xa hanh vi ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y dang) OR (ky dang)) xa hoi. hieu ve cam tuc xa hanh vi ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y dang) OR (ky dang)) xa hoi. hieu ve cam tuc xa hanh vi ((cua triet) or (cua viet))*.