Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
cong tan » cong thanh, cong ty, cong ha
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 va nhung ((((cong san) OR (cong tac))) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh tranh va nhung ((((cong san) OR (cong tac))) OR (cong tan)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh tranh va nhung ((((cong san) OR (cong tac))) or (cong tan)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh tranh va nhung ((((cong san) OR (cong tac))) or (cong tan)) toan cao*.