Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
nam tuc » nam thuc, nam truc, nam tu
lap cua » lai cua, tap cua, lam cua
y tang » ky tang, 6 tang, 7 tang
ma hoi » mai hoi, ma hoa, me hoi
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: te sach y tang ((ma hoi) OR (xa hoi)). hieu van nam tuc va thanh lap cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y tang ((ma hoi) OR (xa hoi)). hieu van nam tuc va thanh lap cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y tang ((ma hoi) OR (xa hoi)). hieu van nam tuc va thanh lap cua triet*.