Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cau xuc » cam xuc, cau luc, cau truc
van van » van ban, tan van, van vat
san van » tan van, luan van, tran van
va cau » van cau, va cac, va dau

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 ty nang xa hoi. lieu va cau xuc ((van van) or (san van)) tri cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. lieu va cau xuc ((van van) OR (san van)) tri cua thuoc.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu va cau xuc ((van van) or (san van)) tri cua thuoc*.