Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
tong cong » trong cong, cong cong, dung cong
cong manh » cong danh, duong manh, cong thanh
thang he » tang he, thang nghe, thang nho
toan cao » toan ban
toan tap » toan ban
he tong » he thong, he trong, he cong

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 (chieu sang)) - nhanh thang he tong cong manh ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - nhanh thang he tong cong manh ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (chieu sang)) - nhanh thang he tong cong manh ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (chieu sang)) - nhanh thang he tong cong manh ((toan cao) or (toan tap))*.