Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoang van » hang va
thanh tay » thanh tai, thanh toan, thanh thuy
ho chieu » hoc thieu, doi chieu, mot chieu
hong van » thong van, phong van, song van

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 - canh tranh cua nhung ((hong van) OR (hoang van)) thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - canh tranh cua nhung ((hong van) OR (hoang van)) thanh tay.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - canh tranh cua nhung ((hong van) OR (hoang van)) thanh tay".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - canh tranh cua nhung ((hong van) OR (hoang van)) thanh tay*.