Perhaps you should try some spelling variations:
hang thai » hoang thai, hang tai, hang hai
dang xay » dang van, van xay
thai cua » than cua, tai cuc, tri cua
toc sach » hoc sach, doc sach, thuoc sach
cham tuc » nham thuc, pham thuc, tham thuc
va hang » van hang, va nang, va lang
va cham » va chat, va tham
tu sach » thu sach, su sach, te sach
dang xa » lang xa, dang ha, dang va
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, 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: ((tu sach) or (toc sach)) ky ((dang xa) OR (dang xay)) hoi. lieu va cham tuc va hang thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ky ((dang xa) OR (dang xay)) hoi. lieu va cham tuc va hang thai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (toc sach)) ky ((dang xa) OR (dang xay)) hoi. lieu va cham tuc va hang thai cua tre*".