Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thuy van » thuy san, thuc van, thuy anh
nang xa » nang x, lang xa, nang ma
hieu he » hieu ve, hiem he, hieu le
chu van » cuu van, chu han
tuan de » luan de, toan de, tuan do
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
he nam » ha nam, nghe nam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. hieu he nam ((thuy van) or (chu van)) ((tuan de) OR (tuan le)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu he nam ((thuy van) OR (chu van)) ((tuan de) OR (tuan le)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. hieu he nam ((thuy van) or (chu van)) ((tuan de) OR (tuan le)) cua triet*".