Perhaps you should try some spelling variations:
su sach » so sach, vu sach
ky dang » ky nang
ky danh » ky anh
cac tac » cac toc, cac bac, cac dac
tai cua » thai cua, tri cua, dai cua
ha hoi » hoa hoi, ha noi, xa hoi
tac xa » tuc xa, tac da
xa dan » ca dan, xa dai, va dan

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 dang) or (ky danh)) ha hoi. lieu va cac tac xa dan ((tai cua) or (tai cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ky dang) OR (ky danh)) ha hoi. lieu va cac tac xa dan ((tai cua) OR (tai cuc)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ky dang) or (ky danh)) ha hoi. lieu va cac tac xa dan ((tai cua) or (tai cuc)) tre*.