Perhaps you should try some spelling variations:
trong van » trong cac
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
doi chau » doi chieu, gioi chau, lai chau
va xuong » va huong, va duong, va thuong
va tuong » va thuong, va thong, xa truong
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chau) or (hoi chu)) tinh - canh tranh ((va xuong) or (va tuong)) trong van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chau) OR (hoi chu)) tinh - canh tranh ((va xuong) OR (va tuong)) trong van thanh cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chau) or (hoi chu)) tinh - canh tranh ((va xuong) or (va tuong)) trong van thanh cao*.