Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
danh doi » danh di, thanh doi, dung doi
sach ky » sach y, sach ty, sach kem
sang xa » song xa, lang xa, sang ma
van cac » van hac, van cau, van bac
cac tac » cac toc, cac bac, cac dac
xa danh » va danh, dia danh, nam danh
doi cua » dai cua, hoi cua
cua tuc » cua duc, cua tu, cua thuoc
sac ky » cac ky, sai ky
tac xa » tuc xa, tac da

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 ky) or (sac ky)) sang xa hoi. hieu van cac tac xa danh doi cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sac ky)) sang xa hoi. hieu van cac tac xa danh doi cua tuc.
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (sac ky)) sang xa hoi. hieu van cac tac xa danh doi cua tuc*.