Perhaps you should try some spelling variations:
thanh loi » thanh hoa, thanh hai, thanh lap
cua triet » cua viet, su triet, va triet
hanh lai » hanh tai, thanh lap, gianh lai
hanh lam » thanh lap, hanh kem, hanh va
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
hac tuc » thac toc, thai tuc
van hac » van hoc, van ha, van hai
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
tuc va » thuc va, truc va, tuc xa

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 hac tuc va ((((hanh lai) OR (thanh loi))) or (hanh lam)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu van hac tuc va ((((hanh lai) OR (thanh loi))) OR (hanh lam)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. hieu van hac tuc va ((((hanh lai) OR (thanh loi))) or (hanh lam)) cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu van hac tuc va ((((hanh lai) OR (thanh loi))) or (hanh lam)) cua triet*.