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