Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
sach vu » sach tu, sach uu, sach xu
sach va » sach xa, sach ha, sach dao
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cau luc » cau truc, cau phuc
luc van » luoc van, luu van, duc van
vai cua » dai cua, hai cua, lai cua
va cau » van cau, va cac, va dau
cua su » qua su

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 vu) OR (sach va)) lang xa hoi. hieu va cau luc van thanh vai cua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach vu) OR (sach va)) lang xa hoi. hieu va cau luc van thanh vai cua su".
• Adding a wildcard symbol may retrieve word variants: te ((sach vu) OR (sach va)) lang xa hoi. hieu va cau luc van thanh vai cua su*.