Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
trinh hoa » trinh do, trinh han
chinh ta » chinh tai, chinh va, chinh tri
ta dung » tac dung, tan dung, tao dung
hoa cao » hoc cao, hoa co, hoa cac

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 quang - hanh chinh ta dung cong trinh hoa cao~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - hanh chinh ta dung cong trinh hoa cao*.