Perhaps you should try some spelling variations:
hoang thai » hoang thi, hoang hai, hong thai
thai cua » than cua, tai cuc, tri cua
dang xay » dang van, van xay
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, lang van
luc va » duc va, tuc va
loc va » hoc va
va cam » va cham, va cac, va cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky ((lang xa) OR (dang xay)) hoi. lieu va cam ((luc va) or (loc va)) hoang thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang xa) OR (dang xay)) hoi. lieu va cam ((luc va) OR (loc va)) hoang thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((lang xa) OR (dang xay)) hoi. lieu va cam ((luc va) or (loc va)) hoang thai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang xa) OR (dang xay)) hoi. lieu va cam ((luc va) or (loc va)) hoang thai cua tre*.