Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu xanh » chieu sach, chieu sang, chieu tinh
luat chung » luan chung, luat thuong, cua chung
chung cong » nhung cong, chong cong, phung cong
lieu tinh » trieu tinh, diep tinh, bien tinh
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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 xanh) or (lieu tinh)) - hanh trinh luat chung cong ((tac toan) OR (hach toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (lieu tinh)) - hanh trinh luat chung cong ((tac toan) OR (hach toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (lieu tinh)) - hanh trinh luat chung cong ((tac toan) OR (hach toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (lieu tinh)) - hanh trinh luat chung cong ((tac toan) OR (hach toan)) cao*.