Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
qua dung » quang dung, su dung, qua song
cong van » cong vang, cong san, song van
ban ban » ban banh, van ban, ban dan
can ban » van ban, toan ban

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 - canh tranh qua dung cong van ((ban ban) or (can ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tranh qua dung cong van ((ban ban) OR (can ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh qua dung cong van ((ban ban) or (can ban))*.