Perhaps you should try some spelling variations:
tham tuc » tham thuc, thai tuc, nham thuc
su triet » su viet, su tien, ve triet
thanh di » thanh doi, thanh de, thanh do
ha thanh » va thanh, pham thanh, phan thanh
su sach » so sach, vu sach
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
ly hang » ly quang
tuc ha » tuc hai, thuc ha, tuc hat

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 xang) or (ly hang)) xa hoi. hieu va tham tuc ha thanh di ((su triet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty xang) OR (ly hang)) xa hoi. hieu va tham tuc ha thanh di ((su triet) OR (hoa viet)).
• Adding a wildcard symbol may retrieve word variants: su sach ((ty xang) or (ly hang)) xa hoi. hieu va tham tuc ha thanh di ((su triet) or (hoa viet))*.