Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhieu tang » chieu sang, hieu lang, nhiet nang
hop nhieu » hoc thieu, ho chieu, he nhieu
doanh cua » doanh luan
manh toan » thanh toan, anh tuan, tinh toan
manh cua » ban cua
dan toan » van toan, dan than, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hop nhieu tang - hanh ((manh cua) OR (doanh cua)) thong cong ((dan toan) or (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop nhieu tang - hanh ((manh cua) OR (doanh cua)) thong cong ((dan toan) OR (manh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hop nhieu tang - hanh ((manh cua) OR (doanh cua)) thong cong ((dan toan) or (manh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: hop nhieu tang - hanh ((manh cua) OR (doanh cua)) thong cong ((dan toan) or (manh toan)) tap*.