Perhaps you should try some spelling variations:
cost thien » chat thien
thien tinh » khien tinh, thien minh, tien tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hang nong » thang long, han tong
dang cong » dung cong
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: cost thien tinh - hanh tranh cua ((hang nong) or (dang cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cost thien tinh - hanh tranh cua ((hang nong) OR (dang cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: cost thien tinh - hanh tranh cua ((hang nong) or (dang cong)) dan toan cao*.