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 va » thanh van, hanh va, thanh ha
hieu van » hieu va, thien van, lieu va
thu sach » tu sach, thuat sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
mai hoi » mai khoi, dai hoi, lai hoi
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
te sach » toc sach
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 (thu sach)) y nang mai hoi. hieu van cam xuc van thanh va ((cua quoc) or (cua thuoc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) y nang mai hoi. hieu van cam xuc van thanh va ((cua quoc) OR (cua thuoc)).
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) y nang mai hoi. hieu van cam xuc van thanh va ((cua quoc) or (cua thuoc))*.