Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
thong cong » trong cong, tong cong, thong thong
cong quang » luong quang, thong quang, duong quang
quang tuan » quang thanh, quan luan, quang cua
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tuan ban » tuan bang, toan ban, luan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet danh - hanh ((tang luan) OR (dung luan)) thong cong quang tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet danh - hanh ((tang luan) OR (dung luan)) thong cong quang tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - hanh ((tang luan) OR (dung luan)) thong cong quang tuan ban*.