Perhaps you should try some spelling variations:
thong tran » thong than, thong tren, phuong tran
cang thang » cong thanh, dang thanh
doi chieu » doc hieu, ho chieu, mot chieu
hang hang » nang hang, hung thang, lang thang
tran tran » tan tran, tran tuan, tran tan
va thong » va thuong, va phuong, he thong
tran cau » tran chau, toan cau, ran cau
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) xanh - ((hang hang) or (cang thang)) va thong thong tran tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) xanh - ((hang hang) OR (cang thang)) va thong thong tran tran cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) xanh - ((hang hang) or (cang thang)) va thong thong tran tran cau*.