Perhaps you should try some spelling variations:
chinh quan » chinh luan, chinh quyen, chinh ngan
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
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: ((hoc hien) or (hoc thieu)) xanh - hanh chinh quan dung cong thanh ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (hoc thieu)) xanh - hanh chinh quan dung cong thanh ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hien) or (hoc thieu)) xanh - hanh chinh quan dung cong thanh ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (hoc thieu)) xanh - hanh chinh quan dung cong thanh ((toan cau) OR (toan cao))*.