Perhaps you should try some spelling variations:
song trong » cong trong, dong trong, sang trong
trong hoan » trong hoat, trong doanh, thong hoang
hieu xanh » chieu xanh, hieu manh, hieu nganh
thanh qua » thanh quan, thanh xuan, thanh tuan
thanh qui » thanh quan, thanh hai, thanh loi
hoan phan » hoa phan, toan phan, doan phan
doc hieu » toc thieu, hoc thieu, hoc hien
hanh qua » hanh sua, hanh cua, danh qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - danh ((((thanh qua) OR (thanh qui))) or (hanh qua)) song trong hoan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - danh ((((thanh qua) OR (thanh qui))) OR (hanh qua)) song trong hoan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - danh ((((thanh qua) OR (thanh qui))) or (hanh qua)) song trong hoan phan tu".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - danh ((((thanh qua) OR (thanh qui))) or (hanh qua)) song trong hoan phan tu*.