Perhaps you should try some spelling variations:
ve thanh » le thanh, den thanh, ha thanh
de thanh » le thanh
cham cuu » cap cuu, chat cua
su sach » so sach, vu sach
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
sach ty » sach y, sach tu, sach thu
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang ha » long ha
ty lang » tay lang, ty xang, ty hang
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty lang ha hoi. hieu va cham cuu ((ve thanh) OR (de thanh)) ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty lang ha hoi. hieu va cham cuu ((ve thanh) OR (de thanh)) ((vai cua) OR (hai cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty lang ha hoi. hieu va cham cuu ((ve thanh) OR (de thanh)) ((vai cua) or (hai cua)) tre*".