Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
cong chung » cong thuong, cong cong, cong chuc
thien anh » thien danh, tien anh, thien thanh
cong hung » cong huong, cong dung, cong thuong
anh hang » anh hoang, anh hung, anh bang
hang su » dang su, nang su, bang su
va cau » van cau, va cac, va dau

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 xanh) or (thien anh)) - anh hang su dung ((cong hung) OR (cong chung)) va cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - anh hang su dung ((cong hung) OR (cong chung)) va cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - anh hang su dung ((cong hung) OR (cong chung)) va cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - anh hang su dung ((cong hung) OR (cong chung)) va cau*.