Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
chinh qua » chinh cua, chinh sua, chinh quoc
trong van » trong cac
qua dung » quang dung, su dung, qua song
toan tap » toan ban
tan tap » han tap, tan tat, man 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 ((thieu xanh) or (chieu xanh)) - hanh chinh qua dung trong van ((tan tap) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh chinh qua dung trong van ((tan tap) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (chieu xanh)) - hanh chinh qua dung trong van ((tan tap) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - hanh chinh qua dung trong van ((tan tap) OR (toan tap))*.