Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
tranh va » tranh van, trang va, trinh va
chay tu » chay tui, chai tu, chay dua
cha tu » chai tu, chua tu, nha tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((nhieu tang) or (chiet tach)) - canh tranh va nhung cong thanh ((cha tu) or (chay tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (chiet tach)) - canh tranh va nhung cong thanh ((cha tu) OR (chay tu)).
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (chiet tach)) - canh tranh va nhung cong thanh ((cha tu) or (chay tu))*.