Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
trinh bang » trinh bong, tinh bang, trinh ban
thien anh » thien danh, tien anh, thien thanh
trinh han » trinh quan
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) OR (thien anh)) - hanh ((trinh bang) or (trinh han)) thanh cong dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - hanh ((trinh bang) OR (trinh han)) thanh cong dan chan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (thien anh)) - hanh ((trinh bang) or (trinh han)) thanh cong dan chan ban".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (thien anh)) - hanh ((trinh bang) or (trinh han)) thanh cong dan chan ban*.