Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thien » hoc hien, hoc thiet, hoc tien
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
va dung » van dung, va duong, vat dung
dan van » dang van, doan van, dao van

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 thieu)) anh - ((thanh trung) or (thanh cong)) va dung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc thieu)) anh - ((thanh trung) OR (thanh cong)) va dung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc thieu)) anh - ((thanh trung) or (thanh cong)) va dung cong dan van ban*.