Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
mai khoa » tai khoa, may khoa, dai khoa
mai khoi » tai khoa, cac khoi, dai khoa
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, te sach
cua duc » cua tuc, cua nuoc, cua quoc
ve cam » ve cham, ve cac, va cam
_ lang » _ land
o lang » hoa lang, hoi 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 ((o lang) or (_ lang)) ((mai khoi) OR (mai khoa)). hieu ve cam xuc van thanh vai cua duc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((o lang) OR (_ lang)) ((mai khoi) OR (mai khoa)). hieu ve cam xuc van thanh vai cua duc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((o lang) or (_ lang)) ((mai khoi) OR (mai khoa)). hieu ve cam xuc van thanh vai cua duc".
• Adding a wildcard symbol may retrieve word variants: tu sach ((o lang) or (_ lang)) ((mai khoi) OR (mai khoa)). hieu ve cam xuc van thanh vai cua duc*.