Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, anh tang, hanh mang
va phuong » va thuong, cac phuong
thong tan » thong than, thong tran, thong tin
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan tap
toan ban » van ban
va cong » tai cong, cua cong

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 xanh - hanh tang ((va cong) or (va phuong)) thong tan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tang ((va cong) OR (va phuong)) thong tan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tang ((va cong) or (va phuong)) thong tan ((toan cao) or (toan ban))*.