Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
khong cong » thong cong, chong cong, khong con
khong cang » thong cong, hong bang, khong dung
trinh toan » tinh toan, thanh toan, trinh han
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu tinh - hanh tranh cua ((((khong cong) OR (khong cang))) or (thong thong)) trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh tranh cua ((((khong cong) OR (khong cang))) OR (thong thong)) trinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh tranh cua ((((khong cong) OR (khong cang))) or (thong thong)) trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh tranh cua ((((khong cong) OR (khong cang))) or (thong thong)) trinh toan cao*.