Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lap » thanh san, phan lap, thanh hai
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sang xa » song xa, lang xa, sang ma
lap cua » lai cua, tap cua, lam cua
y sang » _ sang, duy sang

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 sang xa hoi. hieu van ((pham duy) or (pham duc)) gia thanh lap cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y sang xa hoi. hieu van ((pham duy) OR (pham duc)) gia thanh lap cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y sang xa hoi. hieu van ((pham duy) or (pham duc)) gia thanh lap cua triet*.