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

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) OR (duc van)) thanh vai cua duc~.
• 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) OR (duc van)) thanh vai cua duc.
• 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) OR (duc van)) thanh vai cua duc".
• Adding a wildcard symbol may retrieve word variants: tu sach ((v lang) or (_ lang)) mai khoi. hieu ve cam ((xuc van) OR (duc van)) thanh vai cua duc*.