Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
cong quang » luong quang, duong quang, dang quang
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
chinh cua » chinh ca, chinh sua, hinh cua
cua dung » cua dang, cua dong, qua dung

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 sach - hanh chinh cua dung ((cong quang) or (thong quang)) bao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh chinh cua dung ((cong quang) OR (thong quang)) bao cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh chinh cua dung ((cong quang) or (thong quang)) bao cao*.