Perhaps you should try some spelling variations:
nhung ngot » nhung nguoi, nhung goc, nhung nghi
thuat sach » thuat lanh, thuat san
chan nghe » nhan nghe, chon nghe, nhanh nghe
ngot khoa » ngoai khoa, noi khoa, go khoa
can nghe » van nghe, cap nghe, cac nghe
nha hoc » nha thuoc, khoa hoc, nha nuoc
khoa vi » hoa vi, khoan va, khoa doi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach nha hoc ((chan nghe) OR (can nghe)) che ets : nhung ngot khoa vi đai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach nha hoc ((chan nghe) OR (can nghe)) che ets : nhung ngot khoa vi đai".
• Adding a wildcard symbol may retrieve word variants: thuat sach nha hoc ((chan nghe) OR (can nghe)) che ets : nhung ngot khoa vi đai*.