Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
dang toan » dang tran, dan toan, dung toan
chi xanh » chi anh, chi hanh, chieu xanh
chi danh » chi dan, chi anh, chi dinh
toan cao » toan ban, toan tap
tung va » trung va, tuong va, dung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi xanh) OR (chi danh)) - thanh tung va ((nhung cong) or (hang cong)) dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi danh)) - thanh tung va ((nhung cong) OR (hang cong)) dang toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) OR (chi danh)) - thanh tung va ((nhung cong) or (hang cong)) dang toan cao".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) OR (chi danh)) - thanh tung va ((nhung cong) or (hang cong)) dang toan cao*.