Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
hanh han » hanh nhan, hanh phan, hanh san
va thong » va thuong, va phuong, he thong
van phan » van phong, van thanh, luan phan
dan chan » dan gian, dan ca, van chat
han va » hang va, hanh va, nhan va

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)) - hanh han va thong cong ((van phan) or (dan chan)) lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - hanh han va thong cong ((van phan) OR (dan chan)) lap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - hanh han va thong cong ((van phan) or (dan chan)) lap*.