Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
mai khoi » mai khoa, tai khoa, cac khoi
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
cua duc » cua nuoc, cua quoc
hieu ve » hieu va, hieu van
cua tuc » cua tu, cua thuoc, luat tuc
ve cam » ve cham, ve cac, va cam
_ lang » o lang, _ land
v lang » va lang, o lang, van lang

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 ((v lang) or (_ lang)) mai khoi. hieu ve cam xuc van thanh vai ((cua duc) OR (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((v lang) OR (_ lang)) mai khoi. hieu ve cam xuc van thanh vai ((cua duc) OR (cua tuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((v lang) or (_ lang)) mai khoi. hieu ve cam xuc van thanh vai ((cua duc) OR (cua tuc))".
• Adding a wildcard symbol may retrieve word variants: tu sach ((v lang) or (_ lang)) mai khoi. hieu ve cam xuc van thanh vai ((cua duc) OR (cua tuc))*.