Perhaps you should try some spelling variations:
bang suong » bang song, bang tuong, bang phuong
hieu manh » chieu xanh, hieu nganh, hien hanh
tang luan » dung luan
suong dan » huong dan, tuong dan, xuong dan
tang cua » mang cua, hang cua, thong cua
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) OR (dieu hanh)) - hanh ((tang cua) or (tang luan)) bang suong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (dieu hanh)) - hanh ((tang cua) OR (tang luan)) bang suong dan than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) OR (dieu hanh)) - hanh ((tang cua) or (tang luan)) bang suong dan than ban".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) OR (dieu hanh)) - hanh ((tang cua) or (tang luan)) bang suong dan than ban*.