Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
dung thang » hung thang, cung thang, dung thuong
thong dong » thong duong, thuong dong, thong cong
nhu nhieu » nhu hieu, phu nhieu, nhu hien
dung toan » dung doanh, dung thanh, dung tai
dong van » duong van, dang van, dong von
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: nhu nhieu tang - thanh ((dung toan) or (dung thang)) thong dong van ((tuan tap) or (tuan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nhu nhieu tang - thanh ((dung toan) OR (dung thang)) thong dong van ((tuan tap) OR (tuan tai)).
• Adding a wildcard symbol may retrieve word variants: nhu nhieu tang - thanh ((dung toan) or (dung thang)) thong dong van ((tuan tap) or (tuan tai))*.