Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
van thanh » ban thanh, van tuan
cua quoc » cua nuoc
thanh vi » hanh vi, thanh va, thanh ve
nang mai » nang ma, nang tai, lang mai
xuc van » duc van, luc van, vuc van
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
tu sach » thu sach, su sach, tu cach
hieu va » lieu va, hieu qua
va cam » va cham, va cac, va cao
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: ((te sach) or (tu sach)) y nang mai hoi. hieu va cam xuc van thanh vi ((cua quoc) or (cua thuoc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (tu sach)) y nang mai hoi. hieu va cam xuc van thanh vi ((cua quoc) OR (cua thuoc)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (tu sach)) y nang mai hoi. hieu va cam xuc van thanh vi ((cua quoc) or (cua thuoc))*.