Perhaps you should try some spelling variations:
hieu thuoc » hieu thuc, lieu thuoc, bien thuoc
thuoc cao » thuoc co, thuc cao, thuoc bao
thu sach » tu sach, thuat sach, thuoc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
te sach » toc sach
cao xuc » cam xuc, cao duc, cao suc
va manh » van manh, va danh, va hanh
hai cua » thai cua, hoi cua, lai cua
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (te sach)) ky lang xa hoi. hieu thuoc cao xuc va manh ((hai cua) OR (dai cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (te sach)) ky lang xa hoi. hieu thuoc cao xuc va manh ((hai cua) OR (dai cua)) viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (te sach)) ky lang xa hoi. hieu thuoc cao xuc va manh ((hai cua) OR (dai cua)) viet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (te sach)) ky lang xa hoi. hieu thuoc cao xuc va manh ((hai cua) OR (dai cua)) viet*.