Perhaps you should try some spelling variations:
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
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: ((toc thieu) or (ho chieu)) xanh - hanh ((tang cua) or (dung cua)) tong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (ho chieu)) xanh - hanh ((tang cua) OR (dung cua)) tong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (ho chieu)) xanh - hanh ((tang cua) or (dung cua)) tong cong dan toan cao*.