Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh vi » thanh va, thanh ve, nhanh vi
thu sach » tu sach, thuat sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
xuc van » duc van, luc van, vuc van
tu cach » tu cac
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
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: ((tu cach) or (thu sach)) y nang mai hoi. hieu va cam xuc van ((thanh vi) OR (hanh vi)) cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) y nang mai hoi. hieu va cam xuc van ((thanh vi) OR (hanh vi)) cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (thu sach)) y nang mai hoi. hieu va cam xuc van ((thanh vi) OR (hanh vi)) cua thuoc".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) y nang mai hoi. hieu va cam xuc van ((thanh vi) OR (hanh vi)) cua thuoc*.