Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
cua triet » va triet
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang co » nang cao, nang doc, nang noi
cac loc » cac lop, cac toc, cac hoc
co hoi » co hoc, co loi
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang co hoi. lieu va cac loc va thanh vai ((((cua triet) OR (su triet))) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang co hoi. lieu va cac loc va thanh vai ((((cua triet) OR (su triet))) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang co hoi. lieu va cac loc va thanh vai ((((cua triet) OR (su triet))) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang co hoi. lieu va cac loc va thanh vai ((((cua triet) OR (su triet))) or (cua viet))*.