Perhaps you should try some spelling variations:
phuong dan » phuong danh, phuong doan, huong dan
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
qua bang » qua ban, qua hang, qua nang
qua mang » cua mang, qua hang, qua nang
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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) or (chua xang)) - canh tranh ((qua bang) or (qua mang)) phuong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - canh tranh ((qua bang) OR (qua mang)) phuong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - canh tranh ((qua bang) or (qua mang)) phuong dan toan tap*.