Perhaps you should try some spelling variations:
nhung thong » chung thong, nhung chong, nhung phong
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
hang cua » mang cua, hang ca, huong cua
nam toan » tam toan, nam thanh, nam thang
nam tan » nam dan, nam tai, nam van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) OR (hieu quang)) - hanh hang cua nhung thong ((nam toan) or (nam tan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - hanh hang cua nhung thong ((nam toan) OR (nam tan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (hieu quang)) - hanh hang cua nhung thong ((nam toan) or (nam tan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (hieu quang)) - hanh hang cua nhung thong ((nam toan) or (nam tan)) cau*.