Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, khong con
hanh trang » thanh trung, hanh trinh, minh trang
chong cong » cong cong, thong cong, cuong cong
lieu tinh » trieu tinh, diep tinh, bien tinh
doi lieu » duoc lieu, doi chieu, du lieu
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 trang) or (canh tranh)) cua ((khong cong) OR (chong cong)) tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - ((hanh trang) OR (canh tranh)) cua ((khong cong) OR (chong cong)) tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi lieu tinh - ((hanh trang) or (canh tranh)) cua ((khong cong) OR (chong cong)) tac toan cau".
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - ((hanh trang) or (canh tranh)) cua ((khong cong) OR (chong cong)) tac toan cau*.