Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hang hang » nang hang, cang thang, hung thang
lang song » nang song, bang song, lang dong
van thong » van thuong, van phong, va thong
thong cau » thong cac, thong cap, thong tu
ho chieu » hoc thieu, doi chieu, mot chieu
lang son » nang song, bang song, anh son

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) xanh - hang hang va ((lang song) or (lang son)) van thong cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - hang hang va ((lang song) OR (lang son)) van thong cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - hang hang va ((lang song) or (lang son)) van thong cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - hang hang va ((lang song) or (lang son)) van thong cau*.