Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
canh manh » lanh manh, canh tranh, cach mang
cua thong » cua thuong, cua khong, cua tong
thong van » trong van, thong va, thong quan
manh cua » doanh cua, ban cua
tuan tap » toan tap, tuyen tap, toan tai
tuan tai » toan tai, quan tai, tan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((hieu lang) OR (nhieu tang)) - canh manh cua thong thong van ((tuan tap) or (tuan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((hieu lang) OR (nhieu tang)) - canh manh cua thong thong van ((tuan tap) OR (tuan tai))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thien ((hieu lang) OR (nhieu tang)) - canh manh cua thong thong van ((tuan tap) or (tuan tai))*".