Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
thanh lap » thanh san, phan lap, thanh hai
va triet » va thiet, va trien, ve triet
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
van cac » van hac, van cau, dan cac
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
van bac » van ban, van bao, van hac
xuc va » duc va, tuc 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 ((van cac) OR (van bac)) xuc va thanh lap ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu ((van cac) OR (van bac)) xuc va thanh lap ((cua triet) OR (va triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. hieu ((van cac) OR (van bac)) xuc va thanh lap ((cua triet) or (va triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ((van cac) OR (van bac)) xuc va thanh lap ((cua triet) or (va triet))*.