Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh dai » thanh hai, thanh tai, thanh dat
van thanh » ban thanh, van tuan
thu sach » thuat sach, thuoc sach, thu hoach
xuc van » duc van, luc van, vuc van
cao xuc » cam xuc, cao duc, cao suc
hieu va » lieu va, hieu qua
tu sach » su sach, te sach, tu cach
mai hoi » mai khoi, dai hoi, lai hoi
dai tai » dai hai, dai thao
va cao » va cac, va co, va dao
y nang » ky nang, ly nang, v nang

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) or (thu sach)) y nang ((mai hoi) or (dai tai)). hieu va cao xuc van thanh dai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang ((mai hoi) OR (dai tai)). hieu va cao xuc van thanh dai cua thuoc.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y nang ((mai hoi) or (dai tai)). hieu va cao xuc van thanh dai cua thuoc*.