Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tham xuc » tham nuoc, tham thuc, pham duc
manh cua » doanh cua
tu sach » thu sach, su sach, te sach
sang ma » tang ma, nang ma, sang tao
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
ban cua » ban quan
y sang » _ sang, duy sang

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 y sang ma hoa. hieu va tham xuc ((van ban) or (van thanh)) ((manh cua) OR (ban cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y sang ma hoa. hieu va tham xuc ((van ban) OR (van thanh)) ((manh cua) OR (ban cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y sang ma hoa. hieu va tham xuc ((van ban) or (van thanh)) ((manh cua) OR (ban cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach y sang ma hoa. hieu va tham xuc ((van ban) or (van thanh)) ((manh cua) OR (ban cua)) tre*.