Perhaps you should try some spelling variations:
song cong » cong cong, tong cong, song hong
hanh mang » nhanh mang, hanh trang, nhanh lang
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((anh tang) or (hanh mang)) qua song cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((anh tang) OR (hanh mang)) qua song cong tan tran cao*.