Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
van thong » van thuong, van phong, va thong
va phuong » va thuong, cac phuong
doi lieu » duoc lieu, doi chieu, du lieu
dan toan » van toan, dan than, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - hanh trinh ((van thong) or (va phuong)) cong ((dan toan) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - hanh trinh ((van thong) OR (va phuong)) cong ((dan toan) OR (van tuan)) ban.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - hanh trinh ((van thong) or (va phuong)) cong ((dan toan) or (van tuan)) ban*.