Perhaps you should try some spelling variations:
phuc khong » thuc khong, thuoc khong, chu khong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
thanh tai » thanh hai, doanh tai, thanh san
mong van » muong van, song van, tong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - canh tranh ((cua khong) or (phuc khong)) mong van ((thanh tai) OR (thanh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh tranh ((cua khong) OR (phuc khong)) mong van ((thanh tai) OR (thanh toan))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - canh tranh ((cua khong) or (phuc khong)) mong van ((thanh tai) OR (thanh toan))*".