Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
tu sach » thu sach, su sach, te sach
ban cua » ban quan
van cua » vang cua, dan cua, nan cua
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
sach ly » sach y, sach lo, sach ty
hieu ve » hieu van
ly nang » ky nang, ly hang, ly vang
cuu va » cuu van, cuu ve
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ly nang x hoi. ((hieu ve) or (hieu va)) cham cuu va danh ((van cua) OR (ban cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang x hoi. ((hieu ve) OR (hieu va)) cham cuu va danh ((van cua) OR (ban cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang x hoi. ((hieu ve) or (hieu va)) cham cuu va danh ((van cua) OR (ban cua)) tre*".