Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
hoc thiet » hoc thieu, hoc hien, toc thieu
chinh ban » chinh bao, chinh can, chinh ngan
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
ban dung » van dung, dan dung, tan dung
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh cac, than cua

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) OR (hoc thuyet)) anh - hanh chinh ban dung cong dan ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thiet) OR (hoc thuyet)) anh - hanh chinh ban dung cong dan ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thiet) OR (hoc thuyet)) anh - hanh chinh ban dung cong dan ((than cap) or (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: ((hoc thiet) OR (hoc thuyet)) anh - hanh chinh ban dung cong dan ((than cap) or (thanh lap))*.