Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tang luan » dung luan
theo chu » theo chieu, cho chu, chao chu
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » 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: ((toc thieu) or (theo chu)) xanh - hanh ((tang luan) or (manh cua)) thong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (theo chu)) xanh - hanh ((tang luan) OR (manh cua)) thong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (theo chu)) xanh - hanh ((tang luan) or (manh cua)) thong cong dan toan cau*.