Perhaps you should try some spelling variations:
dieu cua » dieu tra
khang cu » khung cua, thang cua, chung cu
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
khang a » chang ha, khan gia, khang vi
xuc va » duc va, tuc va, luc va
de cua » le cua, te cua

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 thieu ((khang a) OR (khang cu)) hoi. hieu va cham xuc va hanh ((de cua) or (dieu cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thieu ((khang a) OR (khang cu)) hoi. hieu va cham xuc va hanh ((de cua) OR (dieu cua)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thieu ((khang a) OR (khang cu)) hoi. hieu va cham xuc va hanh ((de cua) or (dieu cua)) tu".
• Adding a wildcard symbol may retrieve word variants: te sach thieu ((khang a) OR (khang cu)) hoi. hieu va cham xuc va hanh ((de cua) or (dieu cua)) tu*.