Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cong quang » luong quang, thong quang, duong quang
quang toan » quang tuan, quang tran, quang doan
hoc thien » hoc thieu, hoc thiet, hoc tien
hanh nang » anh nang, ganh nang, hanh mang
toan ban » van ban
suat » xuat, luat, sua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thien) or (hoc hien)) danh - hanh nang suat thong cong quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc hien)) danh - hanh nang suat thong cong quang toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc hien)) danh - hanh nang suat thong cong quang toan ban*.