Perhaps you should try some spelling variations:
thanh kho » thanh pho, thanh ho, thanh thao
nam thuoc » nam thuc, nam thu, nha thuoc
thien van » thi van
ban thanh » ban hanh, ban hang
nam duoc » da duoc, dat duoc, nam moc
ky dong » ly dong, ky dang, ky cong
hoa hoi » khoa hoi, hoa doi, hoc hoi
kho cua » khoe cua, khi cua, cho cua
so sac » so sach, so dac
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky dong ((hoa hoi) OR (hoa hoc)). thien van ((nam duoc) or (nam thuoc)) ban thanh kho cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky dong ((hoa hoi) OR (hoa hoc)). thien van ((nam duoc) OR (nam thuoc)) ban thanh kho cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky dong ((hoa hoi) OR (hoa hoc)). thien van ((nam duoc) or (nam thuoc)) ban thanh kho cua te".
• Adding a wildcard symbol may retrieve word variants: so sac ky dong ((hoa hoi) OR (hoa hoc)). thien van ((nam duoc) or (nam thuoc)) ban thanh kho cua te*.