Perhaps you should try some spelling variations:
sach tham » sach nha
sach thu » sach thue, sach thieu, cach thuc
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
xa hanh » xa thanh, xa khanh, va hanh
va cam » va cham, va cac, va cao
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 thu) or (sach tham)) lang xa hoi. hieu va cam tuc xa hanh ((vi cua) or (di cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach thu) OR (sach tham)) lang xa hoi. hieu va cam tuc xa hanh ((vi cua) OR (di cua)) tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach thu) or (sach tham)) lang xa hoi. hieu va cam tuc xa hanh ((vi cua) or (di cua)) tre*.