Perhaps you should try some spelling variations:
ly quang » le quang, vu quang
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham buc » cham soc, pham duc, cham cuu
dang hai » dang khai, hang hai, dung hai
so sach » so sanh, bo sach, co sach
ty hang » ly hang, ty xang, thi hang
xa dang » xa dong, da dang, xo dang
hai cua » thai cua, dai cua, hoi cua
ma hoi » mai hoi, xa hoi, ma hoa
buc xa » 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: so sach ((ty hang) or (ly quang)) ma hoi. hieu van cham buc xa dang hai cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ty hang) OR (ly quang)) ma hoi. hieu van cham buc xa dang hai cua vat.
• Adding a wildcard symbol may retrieve word variants: so sach ((ty hang) or (ly quang)) ma hoi. hieu van cham buc xa dang hai cua vat*.