Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
hoc cac » hoc cao
cam luc » cam xuc, cau luc
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
luc gia » luoc gia, duc gia, quoc gia
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
va lang » va nang, hoa lang
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: ((hoc cac) or (nuoc sach)) va lang xa hoi. hieu va cam luc gia thanh ((vai cua) OR (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc cac) OR (nuoc sach)) va lang xa hoi. hieu va cam luc gia thanh ((vai cua) OR (hai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc cac) or (nuoc sach)) va lang xa hoi. hieu va cam luc gia thanh ((vai cua) OR (hai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((hoc cac) or (nuoc sach)) va lang xa hoi. hieu va cam luc gia thanh ((vai cua) OR (hai cua)) tre*.