Perhaps you should try some spelling variations:
chieu hanh » chieu xanh, dieu hanh, hien hanh
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tang van » dang van, hoang van, trong van
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
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: ho chieu hanh - anh ((tang van) or (hang va)) dung cong tan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu hanh - anh ((tang van) OR (hang va)) dung cong tan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu hanh - anh ((tang van) or (hang va)) dung cong tan ((toan cau) or (toan cao))*.