Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
theo thuoc » che thuoc, tao thuoc, thu thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
thang quan » thong quan, tang quan, hang quan
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
can chan » dan chan, cam chan, ban chan
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thuoc sach - thanh thang quan ((hang cong) OR (bang cong)) can chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo thuoc sach - thanh thang quan ((hang cong) OR (bang cong)) can chan cau".
• Adding a wildcard symbol may retrieve word variants: theo thuoc sach - thanh thang quan ((hang cong) OR (bang cong)) can chan cau*.