Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
chinh di » chinh vi, chinh do, chinh du
cham tuc » nham thuc, pham thuc, tham thuc
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
tuc tai » thuc tai, truc tai, tuc thai
hieu ve » hieu va, hieu van
ly hang » ly quang
ty hang » ty xang, thi hang, thu hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty hang) or (ly hang)) xa hoi. hieu ve cham tuc tai chinh di ((su triet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty hang) OR (ly hang)) xa hoi. hieu ve cham tuc tai chinh di ((su triet) OR (hoa viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ((ty hang) or (ly hang)) xa hoi. hieu ve cham tuc tai chinh di ((su triet) or (hoa viet))*.