Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thuoc anh » thuoc thanh, thuoc dang, thuoc sach
danh nhan » doanh nhan, thanh nhan, benh nhan
huu dung » huu tung, huu quang, thuy dung
hoi danh » hop danh, hoi dan, hoc danh
nhan tai » hang tai, van tai, toan tai
hoi tap » hoi dap, hoi tai, hai tap
anh hoa » anh khoa, danh hoa, hanh hoa
hoc xa » hoc ma

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 ((hoi tap) OR (hoc tap)), nhiem huu dung thuoc anh hoa hoc xa hoi danh nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ((hoi tap) OR (hoc tap)), nhiem huu dung thuoc anh hoa hoc xa hoi danh nhan tai".
• Adding a wildcard symbol may retrieve word variants: thuat sach ((hoi tap) OR (hoc tap)), nhiem huu dung thuoc anh hoa hoc xa hoi danh nhan tai*.