Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
lang mai » lang dai, lang hai, lang man
thanh vi » hanh vi, thanh va, thanh ve
mai khoi » mai khoa, tai khoa, cac khoi
cua quoc » cua nuoc, cua thuoc
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, tu cach, vu sach
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
xuc van » duc van, luc van, vuc van
te sach » toc sach
y lang » o lang, _ lang, tay lang
va cao » va cac, va co, va dao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (((thu sach) OR (tu sach)))) y lang mai khoi. hieu va cao xuc van thanh vi cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (((thu sach) OR (tu sach)))) y lang mai khoi. hieu va cao xuc van thanh vi cua quoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (((thu sach) OR (tu sach)))) y lang mai khoi. hieu va cao xuc van thanh vi cua quoc".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (((thu sach) OR (tu sach)))) y lang mai khoi. hieu va cao xuc van thanh vi cua quoc*.