Perhaps you should try some spelling variations:
thanh tieng » hanh tieng, thanh tien, thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
tieng phap » tieng han, tieng nhat, bien phap
phap thong » phap phong, phap chong, pho thong
hoc thieu » toc thieu, hoc hien
song van » hoang van, trong van, duong van
cong san » cong tac

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 - thanh tieng phap thong ((song van) or (cong san)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tieng phap thong ((song van) OR (cong san)) phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tieng phap thong ((song van) or (cong san)) phan tu*.