Perhaps you should try some spelling variations:
dieu cua » dieu tra
giau cua » gian cua, gia cua, bieu cua
sach thu » sach thue, sach thieu, sach tham
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
sach ty » sach y, sach tu, xach tay
lang xa » lang ha, dang xay, lang van
tuc va » thuc va, truc va, tuc xa
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: toc ((sach ty) or (sach thu)) lang xa hoi. lieu va cam tuc va hanh ((giau cua) OR (dieu cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sach thu)) lang xa hoi. lieu va cam tuc va hanh ((giau cua) OR (dieu cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach ty) or (sach thu)) lang xa hoi. lieu va cam tuc va hanh ((giau cua) OR (dieu cua)) tre".
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sach thu)) lang xa hoi. lieu va cam tuc va hanh ((giau cua) OR (dieu cua)) tre*.