Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
tinh vai » tinh va, tinh hai, tinh bai
ban tinh » ban thanh, quan tinh, ban hanh
cuc ban » cua ban, cac ban, cuu ban
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ky dang » ky danh
cam cuc » cam xuc, cham cuu, pham cuc
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 ((ky dang) or (ky nang)) xa hoi. hieu ve cam cuc ban tinh vai ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky dang) OR (ky nang)) xa hoi. hieu ve cam cuc ban tinh vai ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky dang) or (ky nang)) xa hoi. hieu ve cam cuc ban tinh vai ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky dang) or (ky nang)) xa hoi. hieu ve cam cuc ban tinh vai ((cua triet) OR (su triet))*.