Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
kinh vi » dinh vi, kenh vi, kinh i
kinh ve » kinh te, dinh ve, minh ve
ve cac » va cac, vien cac
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: tu sach ty nang xa hoi. hieu ve cac loc va ((kinh vi) OR (kinh ve)) cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. hieu ve cac loc va ((kinh vi) OR (kinh ve)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ve cac loc va ((kinh vi) OR (kinh ve)) cua triet*.